Home / 1,581,274.23-2,182,132-856,116.06

Finding the Fourth Proportional to 1,581,274.23, 2,182,132 and 856,116.06

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Solution

The fourth proportional to 1,581,274.23, 2,182,132 and 856,116.06 is: 1,181,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,274.23 : 2,182,132 = 856,116.06 : x
  2. Step 2: Convert to fraction form
    1,581,274.23/2,182,132 = 856,116.06/x
  3. Step 3: Cross multiply
    1,581,274.23x = 2,182,132 × 856,116.06
  4. Step 4: Simplify right side
    1,581,274.23x = 1,868,158,250,239.92
  5. Step 5: Solve for x
    x = 1,868,158,250,239.92/1,581,274.23
  6. Step 6: Final answer
    x = 1,181,425.85

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Double scale
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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.