Home / 935,187.12-1,402,344.70-485,787.38

Finding the Fourth Proportional to 935,187.12, 1,402,344.70 and 485,787.38

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Solution

The fourth proportional to 935,187.12, 1,402,344.70 and 485,787.38 is: 728,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,187.12 : 1,402,344.70 = 485,787.38 : x
  2. Step 2: Convert to fraction form
    935,187.12/1,402,344.70 = 485,787.38/x
  3. Step 3: Cross multiply
    935,187.12x = 1,402,344.70 × 485,787.38
  4. Step 4: Simplify right side
    935,187.12x = 681,241,349,443.69
  5. Step 5: Solve for x
    x = 681,241,349,443.69/935,187.12
  6. Step 6: Final answer
    x = 728,454.59

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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.