Home / 994,335.40-1,489,972.20-740,424.70

Finding the Fourth Proportional to 994,335.40, 1,489,972.20 and 740,424.70

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Solution

The fourth proportional to 994,335.40, 1,489,972.20 and 740,424.70 is: 1,109,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,335.40 : 1,489,972.20 = 740,424.70 : x
  2. Step 2: Convert to fraction form
    994,335.40/1,489,972.20 = 740,424.70/x
  3. Step 3: Cross multiply
    994,335.40x = 1,489,972.20 × 740,424.70
  4. Step 4: Simplify right side
    994,335.40x = 1,103,212,219,193.34
  5. Step 5: Solve for x
    x = 1,103,212,219,193.34/994,335.40
  6. Step 6: Final answer
    x = 1,109,497.08

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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.