Home / 863,901.50-1,192,421.18-501,442.13

Finding the Fourth Proportional to 863,901.50, 1,192,421.18 and 501,442.13

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Solution

The fourth proportional to 863,901.50, 1,192,421.18 and 501,442.13 is: 692,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,901.50 : 1,192,421.18 = 501,442.13 : x
  2. Step 2: Convert to fraction form
    863,901.50/1,192,421.18 = 501,442.13/x
  3. Step 3: Cross multiply
    863,901.50x = 1,192,421.18 × 501,442.13
  4. Step 4: Simplify right side
    863,901.50x = 597,930,220,590.97
  5. Step 5: Solve for x
    x = 597,930,220,590.97/863,901.50
  6. Step 6: Final answer
    x = 692,127.77

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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.