Home / 841,874.20-1,265,921.70-705,016.60

Finding the Fourth Proportional to 841,874.20, 1,265,921.70 and 705,016.60

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Solution

The fourth proportional to 841,874.20, 1,265,921.70 and 705,016.60 is: 1,060,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,874.20 : 1,265,921.70 = 705,016.60 : x
  2. Step 2: Convert to fraction form
    841,874.20/1,265,921.70 = 705,016.60/x
  3. Step 3: Cross multiply
    841,874.20x = 1,265,921.70 × 705,016.60
  4. Step 4: Simplify right side
    841,874.20x = 892,495,812,800.22
  5. Step 5: Solve for x
    x = 892,495,812,800.22/841,874.20
  6. Step 6: Final answer
    x = 1,060,129.66

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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.