Home / 674,769.40-1,012,154.10-623,447.80

Finding the Fourth Proportional to 674,769.40, 1,012,154.10 and 623,447.80

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Solution

The fourth proportional to 674,769.40, 1,012,154.10 and 623,447.80 is: 935,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,769.40 : 1,012,154.10 = 623,447.80 : x
  2. Step 2: Convert to fraction form
    674,769.40/1,012,154.10 = 623,447.80/x
  3. Step 3: Cross multiply
    674,769.40x = 1,012,154.10 × 623,447.80
  4. Step 4: Simplify right side
    674,769.40x = 631,025,246,905.98
  5. Step 5: Solve for x
    x = 631,025,246,905.98/674,769.40
  6. Step 6: Final answer
    x = 935,171.70

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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.