Home / 710,854.67-1,066,578.68-311,781.85

Finding the Fourth Proportional to 710,854.67, 1,066,578.68 and 311,781.85

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Solution

The fourth proportional to 710,854.67, 1,066,578.68 and 311,781.85 is: 467,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,854.67 : 1,066,578.68 = 311,781.85 : x
  2. Step 2: Convert to fraction form
    710,854.67/1,066,578.68 = 311,781.85/x
  3. Step 3: Cross multiply
    710,854.67x = 1,066,578.68 × 311,781.85
  4. Step 4: Simplify right side
    710,854.67x = 332,539,872,133.97
  5. Step 5: Solve for x
    x = 332,539,872,133.97/710,854.67
  6. Step 6: Final answer
    x = 467,802.89

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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.