Home / 1,514,648.38-2,090,220.63-826,335.69

Finding the Fourth Proportional to 1,514,648.38, 2,090,220.63 and 826,335.69

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Solution

The fourth proportional to 1,514,648.38, 2,090,220.63 and 826,335.69 is: 1,140,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,648.38 : 2,090,220.63 = 826,335.69 : x
  2. Step 2: Convert to fraction form
    1,514,648.38/2,090,220.63 = 826,335.69/x
  3. Step 3: Cross multiply
    1,514,648.38x = 2,090,220.63 × 826,335.69
  4. Step 4: Simplify right side
    1,514,648.38x = 1,727,223,906,543.28
  5. Step 5: Solve for x
    x = 1,727,223,906,543.28/1,514,648.38
  6. Step 6: Final answer
    x = 1,140,346.45

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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.