Home / 1,035,321.85-1,428,524.52-653,127.13

Finding the Fourth Proportional to 1,035,321.85, 1,428,524.52 and 653,127.13

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Solution

The fourth proportional to 1,035,321.85, 1,428,524.52 and 653,127.13 is: 901,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,321.85 : 1,428,524.52 = 653,127.13 : x
  2. Step 2: Convert to fraction form
    1,035,321.85/1,428,524.52 = 653,127.13/x
  3. Step 3: Cross multiply
    1,035,321.85x = 1,428,524.52 × 653,127.13
  4. Step 4: Simplify right side
    1,035,321.85x = 933,008,112,739.61
  5. Step 5: Solve for x
    x = 933,008,112,739.61/1,035,321.85
  6. Step 6: Final answer
    x = 901,176.88

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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.