Home / 731,498.62-1,009,626.06-445,110.88

Finding the Fourth Proportional to 731,498.62, 1,009,626.06 and 445,110.88

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Solution

The fourth proportional to 731,498.62, 1,009,626.06 and 445,110.88 is: 614,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,498.62 : 1,009,626.06 = 445,110.88 : x
  2. Step 2: Convert to fraction form
    731,498.62/1,009,626.06 = 445,110.88/x
  3. Step 3: Cross multiply
    731,498.62x = 1,009,626.06 × 445,110.88
  4. Step 4: Simplify right side
    731,498.62x = 449,395,544,037.53
  5. Step 5: Solve for x
    x = 449,395,544,037.53/731,498.62
  6. Step 6: Final answer
    x = 614,349.13

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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.