Home / 927,140.64-1,279,234.80-524,732.64

Finding the Fourth Proportional to 927,140.64, 1,279,234.80 and 524,732.64

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Solution

The fourth proportional to 927,140.64, 1,279,234.80 and 524,732.64 is: 724,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,140.64 : 1,279,234.80 = 524,732.64 : x
  2. Step 2: Convert to fraction form
    927,140.64/1,279,234.80 = 524,732.64/x
  3. Step 3: Cross multiply
    927,140.64x = 1,279,234.80 × 524,732.64
  4. Step 4: Simplify right side
    927,140.64x = 671,256,253,783.87
  5. Step 5: Solve for x
    x = 671,256,253,783.87/927,140.64
  6. Step 6: Final answer
    x = 724,006.94

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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.