Home / 702,421.22-1,053,951.79-297,724.16

Finding the Fourth Proportional to 702,421.22, 1,053,951.79 and 297,724.16

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Solution

The fourth proportional to 702,421.22, 1,053,951.79 and 297,724.16 is: 446,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,421.22 : 1,053,951.79 = 297,724.16 : x
  2. Step 2: Convert to fraction form
    702,421.22/1,053,951.79 = 297,724.16/x
  3. Step 3: Cross multiply
    702,421.22x = 1,053,951.79 × 297,724.16
  4. Step 4: Simplify right side
    702,421.22x = 313,786,911,358.25
  5. Step 5: Solve for x
    x = 313,786,911,358.25/702,421.22
  6. Step 6: Final answer
    x = 446,721.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.