Home / 1,127,957.20-1,692,035.53-318,348.83

Finding the Fourth Proportional to 1,127,957.20, 1,692,035.53 and 318,348.83

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Solution

The fourth proportional to 1,127,957.20, 1,692,035.53 and 318,348.83 is: 477,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,957.20 : 1,692,035.53 = 318,348.83 : x
  2. Step 2: Convert to fraction form
    1,127,957.20/1,692,035.53 = 318,348.83/x
  3. Step 3: Cross multiply
    1,127,957.20x = 1,692,035.53 × 318,348.83
  4. Step 4: Simplify right side
    1,127,957.20x = 538,657,534,728.15
  5. Step 5: Solve for x
    x = 538,657,534,728.15/1,127,957.20
  6. Step 6: Final answer
    x = 477,551.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.