Home / 824,572.80-1,236,890.88-292,095.36

Finding the Fourth Proportional to 824,572.80, 1,236,890.88 and 292,095.36

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Solution

The fourth proportional to 824,572.80, 1,236,890.88 and 292,095.36 is: 438,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,572.80 : 1,236,890.88 = 292,095.36 : x
  2. Step 2: Convert to fraction form
    824,572.80/1,236,890.88 = 292,095.36/x
  3. Step 3: Cross multiply
    824,572.80x = 1,236,890.88 × 292,095.36
  4. Step 4: Simplify right side
    824,572.80x = 361,290,086,874.32
  5. Step 5: Solve for x
    x = 361,290,086,874.32/824,572.80
  6. Step 6: Final answer
    x = 438,154.26

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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.