Home / 1,613,386.38-2,226,432.51-888,226.86

Finding the Fourth Proportional to 1,613,386.38, 2,226,432.51 and 888,226.86

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Solution

The fourth proportional to 1,613,386.38, 2,226,432.51 and 888,226.86 is: 1,225,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,386.38 : 2,226,432.51 = 888,226.86 : x
  2. Step 2: Convert to fraction form
    1,613,386.38/2,226,432.51 = 888,226.86/x
  3. Step 3: Cross multiply
    1,613,386.38x = 2,226,432.51 × 888,226.86
  4. Step 4: Simplify right side
    1,613,386.38x = 1,977,577,157,359.22
  5. Step 5: Solve for x
    x = 1,977,577,157,359.22/1,613,386.38
  6. Step 6: Final answer
    x = 1,225,730.66

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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.