Home / 1,285,117.60-1,773,472.56-712,167.28

Finding the Fourth Proportional to 1,285,117.60, 1,773,472.56 and 712,167.28

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Solution

The fourth proportional to 1,285,117.60, 1,773,472.56 and 712,167.28 is: 982,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,117.60 : 1,773,472.56 = 712,167.28 : x
  2. Step 2: Convert to fraction form
    1,285,117.60/1,773,472.56 = 712,167.28/x
  3. Step 3: Cross multiply
    1,285,117.60x = 1,773,472.56 × 712,167.28
  4. Step 4: Simplify right side
    1,285,117.60x = 1,263,009,129,209.84
  5. Step 5: Solve for x
    x = 1,263,009,129,209.84/1,285,117.60
  6. Step 6: Final answer
    x = 982,796.54

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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.