Home / 756,257.38-1,043,657.05-416,747.50

Finding the Fourth Proportional to 756,257.38, 1,043,657.05 and 416,747.50

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Solution

The fourth proportional to 756,257.38, 1,043,657.05 and 416,747.50 is: 575,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,257.38 : 1,043,657.05 = 416,747.50 : x
  2. Step 2: Convert to fraction form
    756,257.38/1,043,657.05 = 416,747.50/x
  3. Step 3: Cross multiply
    756,257.38x = 1,043,657.05 × 416,747.50
  4. Step 4: Simplify right side
    756,257.38x = 434,941,466,444.88
  5. Step 5: Solve for x
    x = 434,941,466,444.88/756,257.38
  6. Step 6: Final answer
    x = 575,123.60

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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.