Home / 723,582.64-998,411.97-417,547.36

Finding the Fourth Proportional to 723,582.64, 998,411.97 and 417,547.36

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Solution

The fourth proportional to 723,582.64, 998,411.97 and 417,547.36 is: 576,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,582.64 : 998,411.97 = 417,547.36 : x
  2. Step 2: Convert to fraction form
    723,582.64/998,411.97 = 417,547.36/x
  3. Step 3: Cross multiply
    723,582.64x = 998,411.97 × 417,547.36
  4. Step 4: Simplify right side
    723,582.64x = 416,884,279,463.65
  5. Step 5: Solve for x
    x = 416,884,279,463.65/723,582.64
  6. Step 6: Final answer
    x = 576,139.14

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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.