Home / 836,545.68-1,154,439.38-454,574.52

Finding the Fourth Proportional to 836,545.68, 1,154,439.38 and 454,574.52

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Solution

The fourth proportional to 836,545.68, 1,154,439.38 and 454,574.52 is: 627,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,545.68 : 1,154,439.38 = 454,574.52 : x
  2. Step 2: Convert to fraction form
    836,545.68/1,154,439.38 = 454,574.52/x
  3. Step 3: Cross multiply
    836,545.68x = 1,154,439.38 × 454,574.52
  4. Step 4: Simplify right side
    836,545.68x = 524,778,727,032.60
  5. Step 5: Solve for x
    x = 524,778,727,032.60/836,545.68
  6. Step 6: Final answer
    x = 627,316.28

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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.