Home / 863,730.17-1,191,951.76-476,545.57

Finding the Fourth Proportional to 863,730.17, 1,191,951.76 and 476,545.57

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Solution

The fourth proportional to 863,730.17, 1,191,951.76 and 476,545.57 is: 657,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,730.17 : 1,191,951.76 = 476,545.57 : x
  2. Step 2: Convert to fraction form
    863,730.17/1,191,951.76 = 476,545.57/x
  3. Step 3: Cross multiply
    863,730.17x = 1,191,951.76 × 476,545.57
  4. Step 4: Simplify right side
    863,730.17x = 568,019,326,710.46
  5. Step 5: Solve for x
    x = 568,019,326,710.46/863,730.17
  6. Step 6: Final answer
    x = 657,635.16

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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.