Home / 872,211.68-1,306,982-586,845.12

Finding the Fourth Proportional to 872,211.68, 1,306,982 and 586,845.12

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Solution

The fourth proportional to 872,211.68, 1,306,982 and 586,845.12 is: 879,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,211.68 : 1,306,982 = 586,845.12 : x
  2. Step 2: Convert to fraction form
    872,211.68/1,306,982 = 586,845.12/x
  3. Step 3: Cross multiply
    872,211.68x = 1,306,982 × 586,845.12
  4. Step 4: Simplify right side
    872,211.68x = 766,996,008,627.84
  5. Step 5: Solve for x
    x = 766,996,008,627.84/872,211.68
  6. Step 6: Final answer
    x = 879,369.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.