Home / 749,122.76-1,033,789.41-409,591.01

Finding the Fourth Proportional to 749,122.76, 1,033,789.41 and 409,591.01

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Solution

The fourth proportional to 749,122.76, 1,033,789.41 and 409,591.01 is: 565,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,122.76 : 1,033,789.41 = 409,591.01 : x
  2. Step 2: Convert to fraction form
    749,122.76/1,033,789.41 = 409,591.01/x
  3. Step 3: Cross multiply
    749,122.76x = 1,033,789.41 × 409,591.01
  4. Step 4: Simplify right side
    749,122.76x = 423,430,851,153.68
  5. Step 5: Solve for x
    x = 423,430,851,153.68/749,122.76
  6. Step 6: Final answer
    x = 565,235.60

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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.