Home / 935,428.20-1,290,928.50-522,001.14

Finding the Fourth Proportional to 935,428.20, 1,290,928.50 and 522,001.14

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Solution

The fourth proportional to 935,428.20, 1,290,928.50 and 522,001.14 is: 720,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,428.20 : 1,290,928.50 = 522,001.14 : x
  2. Step 2: Convert to fraction form
    935,428.20/1,290,928.50 = 522,001.14/x
  3. Step 3: Cross multiply
    935,428.20x = 1,290,928.50 × 522,001.14
  4. Step 4: Simplify right side
    935,428.20x = 673,866,148,658.49
  5. Step 5: Solve for x
    x = 673,866,148,658.49/935,428.20
  6. Step 6: Final answer
    x = 720,382.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.