Home / 838,665.78-1,156,557.49-563,644.86

Finding the Fourth Proportional to 838,665.78, 1,156,557.49 and 563,644.86

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Solution

The fourth proportional to 838,665.78, 1,156,557.49 and 563,644.86 is: 777,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,665.78 : 1,156,557.49 = 563,644.86 : x
  2. Step 2: Convert to fraction form
    838,665.78/1,156,557.49 = 563,644.86/x
  3. Step 3: Cross multiply
    838,665.78x = 1,156,557.49 × 563,644.86
  4. Step 4: Simplify right side
    838,665.78x = 651,887,684,533.00
  5. Step 5: Solve for x
    x = 651,887,684,533.00/838,665.78
  6. Step 6: Final answer
    x = 777,291.38

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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.