Home / 878,158.28-1,211,859.66-475,750.28

Finding the Fourth Proportional to 878,158.28, 1,211,859.66 and 475,750.28

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Solution

The fourth proportional to 878,158.28, 1,211,859.66 and 475,750.28 is: 656,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,158.28 : 1,211,859.66 = 475,750.28 : x
  2. Step 2: Convert to fraction form
    878,158.28/1,211,859.66 = 475,750.28/x
  3. Step 3: Cross multiply
    878,158.28x = 1,211,859.66 × 475,750.28
  4. Step 4: Simplify right side
    878,158.28x = 576,542,572,565.71
  5. Step 5: Solve for x
    x = 576,542,572,565.71/878,158.28
  6. Step 6: Final answer
    x = 656,536.05

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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.