Home / 649,215.20-973,822.80-175,959.20

Finding the Fourth Proportional to 649,215.20, 973,822.80 and 175,959.20

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Solution

The fourth proportional to 649,215.20, 973,822.80 and 175,959.20 is: 263,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,215.20 : 973,822.80 = 175,959.20 : x
  2. Step 2: Convert to fraction form
    649,215.20/973,822.80 = 175,959.20/x
  3. Step 3: Cross multiply
    649,215.20x = 973,822.80 × 175,959.20
  4. Step 4: Simplify right side
    649,215.20x = 171,353,080,829.76
  5. Step 5: Solve for x
    x = 171,353,080,829.76/649,215.20
  6. Step 6: Final answer
    x = 263,938.80

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Double scale
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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.