Home / 1,186,978.56-1,637,976.96-650,423.04

Finding the Fourth Proportional to 1,186,978.56, 1,637,976.96 and 650,423.04

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Solution

The fourth proportional to 1,186,978.56, 1,637,976.96 and 650,423.04 is: 897,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,978.56 : 1,637,976.96 = 650,423.04 : x
  2. Step 2: Convert to fraction form
    1,186,978.56/1,637,976.96 = 650,423.04/x
  3. Step 3: Cross multiply
    1,186,978.56x = 1,637,976.96 × 650,423.04
  4. Step 4: Simplify right side
    1,186,978.56x = 1,065,377,953,773.16
  5. Step 5: Solve for x
    x = 1,065,377,953,773.16/1,186,978.56
  6. Step 6: Final answer
    x = 897,554.50

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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.