Home / 719,350.18-1,078,939.15-559,585.73

Finding the Fourth Proportional to 719,350.18, 1,078,939.15 and 559,585.73

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Solution

The fourth proportional to 719,350.18, 1,078,939.15 and 559,585.73 is: 839,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,350.18 : 1,078,939.15 = 559,585.73 : x
  2. Step 2: Convert to fraction form
    719,350.18/1,078,939.15 = 559,585.73/x
  3. Step 3: Cross multiply
    719,350.18x = 1,078,939.15 × 559,585.73
  4. Step 4: Simplify right side
    719,350.18x = 603,758,953,176.71
  5. Step 5: Solve for x
    x = 603,758,953,176.71/719,350.18
  6. Step 6: Final answer
    x = 839,311.61

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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.