Home / 579,557.93-869,118.51-242,621.87

Finding the Fourth Proportional to 579,557.93, 869,118.51 and 242,621.87

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Solution

The fourth proportional to 579,557.93, 869,118.51 and 242,621.87 is: 363,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,557.93 : 869,118.51 = 242,621.87 : x
  2. Step 2: Convert to fraction form
    579,557.93/869,118.51 = 242,621.87/x
  3. Step 3: Cross multiply
    579,557.93x = 869,118.51 × 242,621.87
  4. Step 4: Simplify right side
    579,557.93x = 210,867,160,320.61
  5. Step 5: Solve for x
    x = 210,867,160,320.61/579,557.93
  6. Step 6: Final answer
    x = 363,841.39

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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.