Home / 1,031,242.50-1,423,376.25-704,687.69

Finding the Fourth Proportional to 1,031,242.50, 1,423,376.25 and 704,687.69

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Solution

The fourth proportional to 1,031,242.50, 1,423,376.25 and 704,687.69 is: 972,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,242.50 : 1,423,376.25 = 704,687.69 : x
  2. Step 2: Convert to fraction form
    1,031,242.50/1,423,376.25 = 704,687.69/x
  3. Step 3: Cross multiply
    1,031,242.50x = 1,423,376.25 × 704,687.69
  4. Step 4: Simplify right side
    1,031,242.50x = 1,003,035,719,834.14
  5. Step 5: Solve for x
    x = 1,003,035,719,834.14/1,031,242.50
  6. Step 6: Final answer
    x = 972,647.77

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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.