Home / 749,070.18-1,033,721.19-409,538.43

Finding the Fourth Proportional to 749,070.18, 1,033,721.19 and 409,538.43

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Solution

The fourth proportional to 749,070.18, 1,033,721.19 and 409,538.43 is: 565,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,070.18 : 1,033,721.19 = 409,538.43 : x
  2. Step 2: Convert to fraction form
    749,070.18/1,033,721.19 = 409,538.43/x
  3. Step 3: Cross multiply
    749,070.18x = 1,033,721.19 × 409,538.43
  4. Step 4: Simplify right side
    749,070.18x = 423,348,553,210.33
  5. Step 5: Solve for x
    x = 423,348,553,210.33/749,070.18
  6. Step 6: Final answer
    x = 565,165.41

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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.