Home / 749,410.07-1,034,184.06-422,721.97

Finding the Fourth Proportional to 749,410.07, 1,034,184.06 and 422,721.97

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Solution

The fourth proportional to 749,410.07, 1,034,184.06 and 422,721.97 is: 583,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,410.07 : 1,034,184.06 = 422,721.97 : x
  2. Step 2: Convert to fraction form
    749,410.07/1,034,184.06 = 422,721.97/x
  3. Step 3: Cross multiply
    749,410.07x = 1,034,184.06 × 422,721.97
  4. Step 4: Simplify right side
    749,410.07x = 437,172,320,600.34
  5. Step 5: Solve for x
    x = 437,172,320,600.34/749,410.07
  6. Step 6: Final answer
    x = 583,355.28

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Double scale
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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.