Home / 1,121,586.60-1,680,047.10-934,962.60

Finding the Fourth Proportional to 1,121,586.60, 1,680,047.10 and 934,962.60

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Solution

The fourth proportional to 1,121,586.60, 1,680,047.10 and 934,962.60 is: 1,400,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,586.60 : 1,680,047.10 = 934,962.60 : x
  2. Step 2: Convert to fraction form
    1,121,586.60/1,680,047.10 = 934,962.60/x
  3. Step 3: Cross multiply
    1,121,586.60x = 1,680,047.10 × 934,962.60
  4. Step 4: Simplify right side
    1,121,586.60x = 1,570,781,204,738.46
  5. Step 5: Solve for x
    x = 1,570,781,204,738.46/1,121,586.60
  6. Step 6: Final answer
    x = 1,400,499.26

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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.