Home / 1,156,310.53-1,595,689.20-640,053.36

Finding the Fourth Proportional to 1,156,310.53, 1,595,689.20 and 640,053.36

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Solution

The fourth proportional to 1,156,310.53, 1,595,689.20 and 640,053.36 is: 883,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,310.53 : 1,595,689.20 = 640,053.36 : x
  2. Step 2: Convert to fraction form
    1,156,310.53/1,595,689.20 = 640,053.36/x
  3. Step 3: Cross multiply
    1,156,310.53x = 1,595,689.20 × 640,053.36
  4. Step 4: Simplify right side
    1,156,310.53x = 1,021,326,225,997.27
  5. Step 5: Solve for x
    x = 1,021,326,225,997.27/1,156,310.53
  6. Step 6: Final answer
    x = 883,262.93

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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.