Home / 632,046.24-870,730.56-440,717.76

Finding the Fourth Proportional to 632,046.24, 870,730.56 and 440,717.76

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Solution

The fourth proportional to 632,046.24, 870,730.56 and 440,717.76 is: 607,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,046.24 : 870,730.56 = 440,717.76 : x
  2. Step 2: Convert to fraction form
    632,046.24/870,730.56 = 440,717.76/x
  3. Step 3: Cross multiply
    632,046.24x = 870,730.56 × 440,717.76
  4. Step 4: Simplify right side
    632,046.24x = 383,746,421,966.75
  5. Step 5: Solve for x
    x = 383,746,421,966.75/632,046.24
  6. Step 6: Final answer
    x = 607,149.28

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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.