Home / 927,139.64-1,279,233.42-524,731.64

Finding the Fourth Proportional to 927,139.64, 1,279,233.42 and 524,731.64

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Solution

The fourth proportional to 927,139.64, 1,279,233.42 and 524,731.64 is: 724,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,139.64 : 1,279,233.42 = 524,731.64 : x
  2. Step 2: Convert to fraction form
    927,139.64/1,279,233.42 = 524,731.64/x
  3. Step 3: Cross multiply
    927,139.64x = 1,279,233.42 × 524,731.64
  4. Step 4: Simplify right side
    927,139.64x = 671,254,250,419.41
  5. Step 5: Solve for x
    x = 671,254,250,419.41/927,139.64
  6. Step 6: Final answer
    x = 724,005.56

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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.