Home / 838,952.20-1,258,428.30-604,505.80

Finding the Fourth Proportional to 838,952.20, 1,258,428.30 and 604,505.80

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Solution

The fourth proportional to 838,952.20, 1,258,428.30 and 604,505.80 is: 906,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,952.20 : 1,258,428.30 = 604,505.80 : x
  2. Step 2: Convert to fraction form
    838,952.20/1,258,428.30 = 604,505.80/x
  3. Step 3: Cross multiply
    838,952.20x = 1,258,428.30 × 604,505.80
  4. Step 4: Simplify right side
    838,952.20x = 760,727,206,234.14
  5. Step 5: Solve for x
    x = 760,727,206,234.14/838,952.20
  6. Step 6: Final answer
    x = 906,758.70

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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.