Home / 910,439.40-1,366,205.85-377,904.90

Finding the Fourth Proportional to 910,439.40, 1,366,205.85 and 377,904.90

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Solution

The fourth proportional to 910,439.40, 1,366,205.85 and 377,904.90 is: 567,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,439.40 : 1,366,205.85 = 377,904.90 : x
  2. Step 2: Convert to fraction form
    910,439.40/1,366,205.85 = 377,904.90/x
  3. Step 3: Cross multiply
    910,439.40x = 1,366,205.85 × 377,904.90
  4. Step 4: Simplify right side
    910,439.40x = 516,295,885,123.67
  5. Step 5: Solve for x
    x = 516,295,885,123.67/910,439.40
  6. Step 6: Final answer
    x = 567,084.29

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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.