Home / 559,501.18-772,089.96-304,854.28

Finding the Fourth Proportional to 559,501.18, 772,089.96 and 304,854.28

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Solution

The fourth proportional to 559,501.18, 772,089.96 and 304,854.28 is: 420,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,501.18 : 772,089.96 = 304,854.28 : x
  2. Step 2: Convert to fraction form
    559,501.18/772,089.96 = 304,854.28/x
  3. Step 3: Cross multiply
    559,501.18x = 772,089.96 × 304,854.28
  4. Step 4: Simplify right side
    559,501.18x = 235,374,928,851.03
  5. Step 5: Solve for x
    x = 235,374,928,851.03/559,501.18
  6. Step 6: Final answer
    x = 420,687.10

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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.