Home / 859,685.32-1,186,378.08-472,536.56

Finding the Fourth Proportional to 859,685.32, 1,186,378.08 and 472,536.56

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Solution

The fourth proportional to 859,685.32, 1,186,378.08 and 472,536.56 is: 652,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,685.32 : 1,186,378.08 = 472,536.56 : x
  2. Step 2: Convert to fraction form
    859,685.32/1,186,378.08 = 472,536.56/x
  3. Step 3: Cross multiply
    859,685.32x = 1,186,378.08 × 472,536.56
  4. Step 4: Simplify right side
    859,685.32x = 560,607,016,782.61
  5. Step 5: Solve for x
    x = 560,607,016,782.61/859,685.32
  6. Step 6: Final answer
    x = 652,107.23

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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.