Home / 1,142,178.60-1,712,062.17-383,300.49

Finding the Fourth Proportional to 1,142,178.60, 1,712,062.17 and 383,300.49

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Solution

The fourth proportional to 1,142,178.60, 1,712,062.17 and 383,300.49 is: 574,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,178.60 : 1,712,062.17 = 383,300.49 : x
  2. Step 2: Convert to fraction form
    1,142,178.60/1,712,062.17 = 383,300.49/x
  3. Step 3: Cross multiply
    1,142,178.60x = 1,712,062.17 × 383,300.49
  4. Step 4: Simplify right side
    1,142,178.60x = 656,234,268,671.46
  5. Step 5: Solve for x
    x = 656,234,268,671.46/1,142,178.60
  6. Step 6: Final answer
    x = 574,546.11

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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.