Home / 1,001,395.91-1,381,981.70-571,814.03

Finding the Fourth Proportional to 1,001,395.91, 1,381,981.70 and 571,814.03

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Solution

The fourth proportional to 1,001,395.91, 1,381,981.70 and 571,814.03 is: 789,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,395.91 : 1,381,981.70 = 571,814.03 : x
  2. Step 2: Convert to fraction form
    1,001,395.91/1,381,981.70 = 571,814.03/x
  3. Step 3: Cross multiply
    1,001,395.91x = 1,381,981.70 × 571,814.03
  4. Step 4: Simplify right side
    1,001,395.91x = 790,236,522,404.18
  5. Step 5: Solve for x
    x = 790,236,522,404.18/1,001,395.91
  6. Step 6: Final answer
    x = 789,134.96

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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.