Home / 932,609.80-1,398,914.70-859,126.60

Finding the Fourth Proportional to 932,609.80, 1,398,914.70 and 859,126.60

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Solution

The fourth proportional to 932,609.80, 1,398,914.70 and 859,126.60 is: 1,288,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,609.80 : 1,398,914.70 = 859,126.60 : x
  2. Step 2: Convert to fraction form
    932,609.80/1,398,914.70 = 859,126.60/x
  3. Step 3: Cross multiply
    932,609.80x = 1,398,914.70 × 859,126.60
  4. Step 4: Simplify right side
    932,609.80x = 1,201,844,829,901.02
  5. Step 5: Solve for x
    x = 1,201,844,829,901.02/932,609.80
  6. Step 6: Final answer
    x = 1,288,689.90

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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.