Home / 817,449.28-1,127,440.94-531,061.64

Finding the Fourth Proportional to 817,449.28, 1,127,440.94 and 531,061.64

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Solution

The fourth proportional to 817,449.28, 1,127,440.94 and 531,061.64 is: 732,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,449.28 : 1,127,440.94 = 531,061.64 : x
  2. Step 2: Convert to fraction form
    817,449.28/1,127,440.94 = 531,061.64/x
  3. Step 3: Cross multiply
    817,449.28x = 1,127,440.94 × 531,061.64
  4. Step 4: Simplify right side
    817,449.28x = 598,740,634,599.54
  5. Step 5: Solve for x
    x = 598,740,634,599.54/817,449.28
  6. Step 6: Final answer
    x = 732,449.89

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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.