Home / 859,536.27-1,186,306.17-497,180.43

Finding the Fourth Proportional to 859,536.27, 1,186,306.17 and 497,180.43

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Solution

The fourth proportional to 859,536.27, 1,186,306.17 and 497,180.43 is: 686,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,536.27 : 1,186,306.17 = 497,180.43 : x
  2. Step 2: Convert to fraction form
    859,536.27/1,186,306.17 = 497,180.43/x
  3. Step 3: Cross multiply
    859,536.27x = 1,186,306.17 × 497,180.43
  4. Step 4: Simplify right side
    859,536.27x = 589,808,211,712.25
  5. Step 5: Solve for x
    x = 589,808,211,712.25/859,536.27
  6. Step 6: Final answer
    x = 686,193.51

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1.5x scale

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.