Home / 1,453,999.30-2,181,344.55-612,117.70

Finding the Fourth Proportional to 1,453,999.30, 2,181,344.55 and 612,117.70

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Solution

The fourth proportional to 1,453,999.30, 2,181,344.55 and 612,117.70 is: 918,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,999.30 : 2,181,344.55 = 612,117.70 : x
  2. Step 2: Convert to fraction form
    1,453,999.30/2,181,344.55 = 612,117.70/x
  3. Step 3: Cross multiply
    1,453,999.30x = 2,181,344.55 × 612,117.70
  4. Step 4: Simplify right side
    1,453,999.30x = 1,335,239,608,853.53
  5. Step 5: Solve for x
    x = 1,335,239,608,853.53/1,453,999.30
  6. Step 6: Final answer
    x = 918,322.04

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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.