Home / 818,577.91-1,129,672.36-456,001.33

Finding the Fourth Proportional to 818,577.91, 1,129,672.36 and 456,001.33

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Solution

The fourth proportional to 818,577.91, 1,129,672.36 and 456,001.33 is: 629,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,577.91 : 1,129,672.36 = 456,001.33 : x
  2. Step 2: Convert to fraction form
    818,577.91/1,129,672.36 = 456,001.33/x
  3. Step 3: Cross multiply
    818,577.91x = 1,129,672.36 × 456,001.33
  4. Step 4: Simplify right side
    818,577.91x = 515,132,098,624.24
  5. Step 5: Solve for x
    x = 515,132,098,624.24/818,577.91
  6. Step 6: Final answer
    x = 629,301.25

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1.5x scale

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.