Home / 749,122.50-1,033,789.05-409,590.75

Finding the Fourth Proportional to 749,122.50, 1,033,789.05 and 409,590.75

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Solution

The fourth proportional to 749,122.50, 1,033,789.05 and 409,590.75 is: 565,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,122.50 : 1,033,789.05 = 409,590.75 : x
  2. Step 2: Convert to fraction form
    749,122.50/1,033,789.05 = 409,590.75/x
  3. Step 3: Cross multiply
    749,122.50x = 1,033,789.05 × 409,590.75
  4. Step 4: Simplify right side
    749,122.50x = 423,430,432,331.29
  5. Step 5: Solve for x
    x = 423,430,432,331.29/749,122.50
  6. Step 6: Final answer
    x = 565,235.24

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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.