Home / 631,206.20-946,809.30-395,010.20

Finding the Fourth Proportional to 631,206.20, 946,809.30 and 395,010.20

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Solution

The fourth proportional to 631,206.20, 946,809.30 and 395,010.20 is: 592,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,206.20 : 946,809.30 = 395,010.20 : x
  2. Step 2: Convert to fraction form
    631,206.20/946,809.30 = 395,010.20/x
  3. Step 3: Cross multiply
    631,206.20x = 946,809.30 × 395,010.20
  4. Step 4: Simplify right side
    631,206.20x = 373,999,330,954.86
  5. Step 5: Solve for x
    x = 373,999,330,954.86/631,206.20
  6. Step 6: Final answer
    x = 592,515.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 631,207.20, 946,810.80 and 395,011.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.