Home / 863,099.78-1,191,588.09-767,341.58

Finding the Fourth Proportional to 863,099.78, 1,191,588.09 and 767,341.58

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Solution

The fourth proportional to 863,099.78, 1,191,588.09 and 767,341.58 is: 1,059,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,099.78 : 1,191,588.09 = 767,341.58 : x
  2. Step 2: Convert to fraction form
    863,099.78/1,191,588.09 = 767,341.58/x
  3. Step 3: Cross multiply
    863,099.78x = 1,191,588.09 × 767,341.58
  4. Step 4: Simplify right side
    863,099.78x = 914,355,087,689.78
  5. Step 5: Solve for x
    x = 914,355,087,689.78/863,099.78
  6. Step 6: Final answer
    x = 1,059,385.15

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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.