Home / 1,195,833.76-1,650,290.34-712,332.88

Finding the Fourth Proportional to 1,195,833.76, 1,650,290.34 and 712,332.88

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Solution

The fourth proportional to 1,195,833.76, 1,650,290.34 and 712,332.88 is: 983,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,833.76 : 1,650,290.34 = 712,332.88 : x
  2. Step 2: Convert to fraction form
    1,195,833.76/1,650,290.34 = 712,332.88/x
  3. Step 3: Cross multiply
    1,195,833.76x = 1,650,290.34 × 712,332.88
  4. Step 4: Simplify right side
    1,195,833.76x = 1,175,556,070,728.38
  5. Step 5: Solve for x
    x = 1,175,556,070,728.38/1,195,833.76
  6. Step 6: Final answer
    x = 983,043.05

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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.