Home / 986,659.92-1,361,492.28-556,857.05

Finding the Fourth Proportional to 986,659.92, 1,361,492.28 and 556,857.05

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Solution

The fourth proportional to 986,659.92, 1,361,492.28 and 556,857.05 is: 768,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,659.92 : 1,361,492.28 = 556,857.05 : x
  2. Step 2: Convert to fraction form
    986,659.92/1,361,492.28 = 556,857.05/x
  3. Step 3: Cross multiply
    986,659.92x = 1,361,492.28 × 556,857.05
  4. Step 4: Simplify right side
    986,659.92x = 758,156,567,831.11
  5. Step 5: Solve for x
    x = 758,156,567,831.11/986,659.92
  6. Step 6: Final answer
    x = 768,407.18

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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.