Home / 817,445.28-1,127,435.45-531,057.63

Finding the Fourth Proportional to 817,445.28, 1,127,435.45 and 531,057.63

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Solution

The fourth proportional to 817,445.28, 1,127,435.45 and 531,057.63 is: 732,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,445.28 : 1,127,435.45 = 531,057.63 : x
  2. Step 2: Convert to fraction form
    817,445.28/1,127,435.45 = 531,057.63/x
  3. Step 3: Cross multiply
    817,445.28x = 1,127,435.45 × 531,057.63
  4. Step 4: Simplify right side
    817,445.28x = 598,733,195,399.70
  5. Step 5: Solve for x
    x = 598,733,195,399.70/817,445.28
  6. Step 6: Final answer
    x = 732,444.37

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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.