Home / 748,899-1,123,348.50-250,263

Finding the Fourth Proportional to 748,899, 1,123,348.50 and 250,263

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Solution

The fourth proportional to 748,899, 1,123,348.50 and 250,263 is: 375,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,899 : 1,123,348.50 = 250,263 : x
  2. Step 2: Convert to fraction form
    748,899/1,123,348.50 = 250,263/x
  3. Step 3: Cross multiply
    748,899x = 1,123,348.50 × 250,263
  4. Step 4: Simplify right side
    748,899x = 281,132,565,655.50
  5. Step 5: Solve for x
    x = 281,132,565,655.50/748,899
  6. Step 6: Final answer
    x = 375,394.50

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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.