Home / 915,180.70-1,262,934.01-501,714.70

Finding the Fourth Proportional to 915,180.70, 1,262,934.01 and 501,714.70

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Solution

The fourth proportional to 915,180.70, 1,262,934.01 and 501,714.70 is: 692,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,180.70 : 1,262,934.01 = 501,714.70 : x
  2. Step 2: Convert to fraction form
    915,180.70/1,262,934.01 = 501,714.70/x
  3. Step 3: Cross multiply
    915,180.70x = 1,262,934.01 × 501,714.70
  4. Step 4: Simplify right side
    915,180.70x = 633,632,557,946.95
  5. Step 5: Solve for x
    x = 633,632,557,946.95/915,180.70
  6. Step 6: Final answer
    x = 692,357.87

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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.