Home / 866,085.90-1,195,094.21-478,849

Finding the Fourth Proportional to 866,085.90, 1,195,094.21 and 478,849

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Solution

The fourth proportional to 866,085.90, 1,195,094.21 and 478,849 is: 660,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,085.90 : 1,195,094.21 = 478,849 : x
  2. Step 2: Convert to fraction form
    866,085.90/1,195,094.21 = 478,849/x
  3. Step 3: Cross multiply
    866,085.90x = 1,195,094.21 × 478,849
  4. Step 4: Simplify right side
    866,085.90x = 572,269,667,364.29
  5. Step 5: Solve for x
    x = 572,269,667,364.29/866,085.90
  6. Step 6: Final answer
    x = 660,753.94

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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.