Home / 836,521.13-1,154,406.08-454,547.92

Finding the Fourth Proportional to 836,521.13, 1,154,406.08 and 454,547.92

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Solution

The fourth proportional to 836,521.13, 1,154,406.08 and 454,547.92 is: 627,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,521.13 : 1,154,406.08 = 454,547.92 : x
  2. Step 2: Convert to fraction form
    836,521.13/1,154,406.08 = 454,547.92/x
  3. Step 3: Cross multiply
    836,521.13x = 1,154,406.08 × 454,547.92
  4. Step 4: Simplify right side
    836,521.13x = 524,732,876,727.32
  5. Step 5: Solve for x
    x = 524,732,876,727.32/836,521.13
  6. Step 6: Final answer
    x = 627,279.88

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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.