Home / 583,323.20-874,984.80-490,011.20

Finding the Fourth Proportional to 583,323.20, 874,984.80 and 490,011.20

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Solution

The fourth proportional to 583,323.20, 874,984.80 and 490,011.20 is: 735,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,323.20 : 874,984.80 = 490,011.20 : x
  2. Step 2: Convert to fraction form
    583,323.20/874,984.80 = 490,011.20/x
  3. Step 3: Cross multiply
    583,323.20x = 874,984.80 × 490,011.20
  4. Step 4: Simplify right side
    583,323.20x = 428,752,351,829.76
  5. Step 5: Solve for x
    x = 428,752,351,829.76/583,323.20
  6. Step 6: Final answer
    x = 735,016.80

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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.