Home / 987,549.03-1,363,404.99-625,283.42

Finding the Fourth Proportional to 987,549.03, 1,363,404.99 and 625,283.42

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Solution

The fourth proportional to 987,549.03, 1,363,404.99 and 625,283.42 is: 863,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,549.03 : 1,363,404.99 = 625,283.42 : x
  2. Step 2: Convert to fraction form
    987,549.03/1,363,404.99 = 625,283.42/x
  3. Step 3: Cross multiply
    987,549.03x = 1,363,404.99 × 625,283.42
  4. Step 4: Simplify right side
    987,549.03x = 852,514,534,992.27
  5. Step 5: Solve for x
    x = 852,514,534,992.27/987,549.03
  6. Step 6: Final answer
    x = 863,263.00

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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.