Home / 1,516,155.69-2,092,278.95-827,825.40

Finding the Fourth Proportional to 1,516,155.69, 2,092,278.95 and 827,825.40

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Solution

The fourth proportional to 1,516,155.69, 2,092,278.95 and 827,825.40 is: 1,142,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,155.69 : 2,092,278.95 = 827,825.40 : x
  2. Step 2: Convert to fraction form
    1,516,155.69/2,092,278.95 = 827,825.40/x
  3. Step 3: Cross multiply
    1,516,155.69x = 2,092,278.95 × 827,825.40
  4. Step 4: Simplify right side
    1,516,155.69x = 1,732,041,655,534.20
  5. Step 5: Solve for x
    x = 1,732,041,655,534.20/1,516,155.69
  6. Step 6: Final answer
    x = 1,142,390.37

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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.