Home / 1,411,957.78-1,948,785.15-838,887.64

Finding the Fourth Proportional to 1,411,957.78, 1,948,785.15 and 838,887.64

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Solution

The fourth proportional to 1,411,957.78, 1,948,785.15 and 838,887.64 is: 1,157,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,957.78 : 1,948,785.15 = 838,887.64 : x
  2. Step 2: Convert to fraction form
    1,411,957.78/1,948,785.15 = 838,887.64/x
  3. Step 3: Cross multiply
    1,411,957.78x = 1,948,785.15 × 838,887.64
  4. Step 4: Simplify right side
    1,411,957.78x = 1,634,811,775,350.55
  5. Step 5: Solve for x
    x = 1,634,811,775,350.55/1,411,957.78
  6. Step 6: Final answer
    x = 1,157,833.33

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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.