Home / 498,567.83-688,023.33-272,213.33

Finding the Fourth Proportional to 498,567.83, 688,023.33 and 272,213.33

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Solution

The fourth proportional to 498,567.83, 688,023.33 and 272,213.33 is: 375,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,567.83 : 688,023.33 = 272,213.33 : x
  2. Step 2: Convert to fraction form
    498,567.83/688,023.33 = 272,213.33/x
  3. Step 3: Cross multiply
    498,567.83x = 688,023.33 × 272,213.33
  4. Step 4: Simplify right side
    498,567.83x = 187,289,121,776.99
  5. Step 5: Solve for x
    x = 187,289,121,776.99/498,567.83
  6. Step 6: Final answer
    x = 375,654.25

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1.5x scale

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.