Home / 878,695.96-1,212,561.94-516,157

Finding the Fourth Proportional to 878,695.96, 1,212,561.94 and 516,157

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Solution

The fourth proportional to 878,695.96, 1,212,561.94 and 516,157 is: 712,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,695.96 : 1,212,561.94 = 516,157 : x
  2. Step 2: Convert to fraction form
    878,695.96/1,212,561.94 = 516,157/x
  3. Step 3: Cross multiply
    878,695.96x = 1,212,561.94 × 516,157
  4. Step 4: Simplify right side
    878,695.96x = 625,872,333,264.58
  5. Step 5: Solve for x
    x = 625,872,333,264.58/878,695.96
  6. Step 6: Final answer
    x = 712,274.05

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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.