Home / 1,192,116.06-1,645,139.70-648,262.62

Finding the Fourth Proportional to 1,192,116.06, 1,645,139.70 and 648,262.62

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Solution

The fourth proportional to 1,192,116.06, 1,645,139.70 and 648,262.62 is: 894,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,116.06 : 1,645,139.70 = 648,262.62 : x
  2. Step 2: Convert to fraction form
    1,192,116.06/1,645,139.70 = 648,262.62/x
  3. Step 3: Cross multiply
    1,192,116.06x = 1,645,139.70 × 648,262.62
  4. Step 4: Simplify right side
    1,192,116.06x = 1,066,482,572,188.01
  5. Step 5: Solve for x
    x = 1,066,482,572,188.01/1,192,116.06
  6. Step 6: Final answer
    x = 894,613.04

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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.