Home / 1,581,576.08-2,182,585.52-856,423.80

Finding the Fourth Proportional to 1,581,576.08, 2,182,585.52 and 856,423.80

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Solution

The fourth proportional to 1,581,576.08, 2,182,585.52 and 856,423.80 is: 1,181,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,576.08 : 2,182,585.52 = 856,423.80 : x
  2. Step 2: Convert to fraction form
    1,581,576.08/2,182,585.52 = 856,423.80/x
  3. Step 3: Cross multiply
    1,581,576.08x = 2,182,585.52 × 856,423.80
  4. Step 4: Simplify right side
    1,581,576.08x = 1,869,218,184,863.38
  5. Step 5: Solve for x
    x = 1,869,218,184,863.38/1,581,576.08
  6. Step 6: Final answer
    x = 1,181,870.55

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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.