Home / 1,039,312.52-1,559,100-329,086.70

Finding the Fourth Proportional to 1,039,312.52, 1,559,100 and 329,086.70

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Solution

The fourth proportional to 1,039,312.52, 1,559,100 and 329,086.70 is: 493,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,312.52 : 1,559,100 = 329,086.70 : x
  2. Step 2: Convert to fraction form
    1,039,312.52/1,559,100 = 329,086.70/x
  3. Step 3: Cross multiply
    1,039,312.52x = 1,559,100 × 329,086.70
  4. Step 4: Simplify right side
    1,039,312.52x = 513,079,073,970
  5. Step 5: Solve for x
    x = 513,079,073,970/1,039,312.52
  6. Step 6: Final answer
    x = 493,671.60

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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.