Home / 591,727.20-887,590.80-402,770.40

Finding the Fourth Proportional to 591,727.20, 887,590.80 and 402,770.40

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Solution

The fourth proportional to 591,727.20, 887,590.80 and 402,770.40 is: 604,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,727.20 : 887,590.80 = 402,770.40 : x
  2. Step 2: Convert to fraction form
    591,727.20/887,590.80 = 402,770.40/x
  3. Step 3: Cross multiply
    591,727.20x = 887,590.80 × 402,770.40
  4. Step 4: Simplify right side
    591,727.20x = 357,495,301,552.32
  5. Step 5: Solve for x
    x = 357,495,301,552.32/591,727.20
  6. Step 6: Final answer
    x = 604,155.60

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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.