Home / 1,068,640.98-1,474,714.05-578,608.11

Finding the Fourth Proportional to 1,068,640.98, 1,474,714.05 and 578,608.11

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Solution

The fourth proportional to 1,068,640.98, 1,474,714.05 and 578,608.11 is: 798,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,640.98 : 1,474,714.05 = 578,608.11 : x
  2. Step 2: Convert to fraction form
    1,068,640.98/1,474,714.05 = 578,608.11/x
  3. Step 3: Cross multiply
    1,068,640.98x = 1,474,714.05 × 578,608.11
  4. Step 4: Simplify right side
    1,068,640.98x = 853,281,509,260.95
  5. Step 5: Solve for x
    x = 853,281,509,260.95/1,068,640.98
  6. Step 6: Final answer
    x = 798,473.51

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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.