Home / 852,060.65-1,175,633.49-520,831.76

Finding the Fourth Proportional to 852,060.65, 1,175,633.49 and 520,831.76

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Solution

The fourth proportional to 852,060.65, 1,175,633.49 and 520,831.76 is: 718,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,060.65 : 1,175,633.49 = 520,831.76 : x
  2. Step 2: Convert to fraction form
    852,060.65/1,175,633.49 = 520,831.76/x
  3. Step 3: Cross multiply
    852,060.65x = 1,175,633.49 × 520,831.76
  4. Step 4: Simplify right side
    852,060.65x = 612,307,253,833.48
  5. Step 5: Solve for x
    x = 612,307,253,833.48/852,060.65
  6. Step 6: Final answer
    x = 718,619.33

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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.