Home / 878,849.03-1,212,821.22-516,288.17

Finding the Fourth Proportional to 878,849.03, 1,212,821.22 and 516,288.17

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Solution

The fourth proportional to 878,849.03, 1,212,821.22 and 516,288.17 is: 712,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,849.03 : 1,212,821.22 = 516,288.17 : x
  2. Step 2: Convert to fraction form
    878,849.03/1,212,821.22 = 516,288.17/x
  3. Step 3: Cross multiply
    878,849.03x = 1,212,821.22 × 516,288.17
  4. Step 4: Simplify right side
    878,849.03x = 626,165,248,210.97
  5. Step 5: Solve for x
    x = 626,165,248,210.97/878,849.03
  6. Step 6: Final answer
    x = 712,483.29

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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.