Home / 724,880.48-1,000,337.38-402,590.52

Finding the Fourth Proportional to 724,880.48, 1,000,337.38 and 402,590.52

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Solution

The fourth proportional to 724,880.48, 1,000,337.38 and 402,590.52 is: 555,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,880.48 : 1,000,337.38 = 402,590.52 : x
  2. Step 2: Convert to fraction form
    724,880.48/1,000,337.38 = 402,590.52/x
  3. Step 3: Cross multiply
    724,880.48x = 1,000,337.38 × 402,590.52
  4. Step 4: Simplify right side
    724,880.48x = 402,726,345,989.64
  5. Step 5: Solve for x
    x = 402,726,345,989.64/724,880.48
  6. Step 6: Final answer
    x = 555,576.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.