Home / 927,455.83-1,279,866.75-519,574.87

Finding the Fourth Proportional to 927,455.83, 1,279,866.75 and 519,574.87

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Solution

The fourth proportional to 927,455.83, 1,279,866.75 and 519,574.87 is: 717,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,455.83 : 1,279,866.75 = 519,574.87 : x
  2. Step 2: Convert to fraction form
    927,455.83/1,279,866.75 = 519,574.87/x
  3. Step 3: Cross multiply
    927,455.83x = 1,279,866.75 × 519,574.87
  4. Step 4: Simplify right side
    927,455.83x = 664,986,600,248.57
  5. Step 5: Solve for x
    x = 664,986,600,248.57/927,455.83
  6. Step 6: Final answer
    x = 717,000.83

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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.