Home / 1,205,354.48-1,663,279.22-715,239.53

Finding the Fourth Proportional to 1,205,354.48, 1,663,279.22 and 715,239.53

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Solution

The fourth proportional to 1,205,354.48, 1,663,279.22 and 715,239.53 is: 986,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,354.48 : 1,663,279.22 = 715,239.53 : x
  2. Step 2: Convert to fraction form
    1,205,354.48/1,663,279.22 = 715,239.53/x
  3. Step 3: Cross multiply
    1,205,354.48x = 1,663,279.22 × 715,239.53
  4. Step 4: Simplify right side
    1,205,354.48x = 1,189,643,035,678.97
  5. Step 5: Solve for x
    x = 1,189,643,035,678.97/1,205,354.48
  6. Step 6: Final answer
    x = 986,965.30

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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.