Home / 927,332.20-1,390,998.30-394,870.60

Finding the Fourth Proportional to 927,332.20, 1,390,998.30 and 394,870.60

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Solution

The fourth proportional to 927,332.20, 1,390,998.30 and 394,870.60 is: 592,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,332.20 : 1,390,998.30 = 394,870.60 : x
  2. Step 2: Convert to fraction form
    927,332.20/1,390,998.30 = 394,870.60/x
  3. Step 3: Cross multiply
    927,332.20x = 1,390,998.30 × 394,870.60
  4. Step 4: Simplify right side
    927,332.20x = 549,264,333,319.98
  5. Step 5: Solve for x
    x = 549,264,333,319.98/927,332.20
  6. Step 6: Final answer
    x = 592,305.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.