Home / 563,091.04-777,065.82-308,451.40

Finding the Fourth Proportional to 563,091.04, 777,065.82 and 308,451.40

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Solution

The fourth proportional to 563,091.04, 777,065.82 and 308,451.40 is: 425,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,091.04 : 777,065.82 = 308,451.40 : x
  2. Step 2: Convert to fraction form
    563,091.04/777,065.82 = 308,451.40/x
  3. Step 3: Cross multiply
    563,091.04x = 777,065.82 × 308,451.40
  4. Step 4: Simplify right side
    563,091.04x = 239,687,040,071.15
  5. Step 5: Solve for x
    x = 239,687,040,071.15/563,091.04
  6. Step 6: Final answer
    x = 425,663.03

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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.