Home / 487,582.93-672,593.65-283,610.89

Finding the Fourth Proportional to 487,582.93, 672,593.65 and 283,610.89

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Solution

The fourth proportional to 487,582.93, 672,593.65 and 283,610.89 is: 391,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,582.93 : 672,593.65 = 283,610.89 : x
  2. Step 2: Convert to fraction form
    487,582.93/672,593.65 = 283,610.89/x
  3. Step 3: Cross multiply
    487,582.93x = 672,593.65 × 283,610.89
  4. Step 4: Simplify right side
    487,582.93x = 190,754,883,684.85
  5. Step 5: Solve for x
    x = 190,754,883,684.85/487,582.93
  6. Step 6: Final answer
    x = 391,225.52

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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.