Home / 1,015,711.09-1,400,714.31-607,748.11

Finding the Fourth Proportional to 1,015,711.09, 1,400,714.31 and 607,748.11

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Solution

The fourth proportional to 1,015,711.09, 1,400,714.31 and 607,748.11 is: 838,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,711.09 : 1,400,714.31 = 607,748.11 : x
  2. Step 2: Convert to fraction form
    1,015,711.09/1,400,714.31 = 607,748.11/x
  3. Step 3: Cross multiply
    1,015,711.09x = 1,400,714.31 × 607,748.11
  4. Step 4: Simplify right side
    1,015,711.09x = 851,281,474,552.45
  5. Step 5: Solve for x
    x = 851,281,474,552.45/1,015,711.09
  6. Step 6: Final answer
    x = 838,113.79

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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.