Home / 982,679.54-1,356,127.95-535,160.40

Finding the Fourth Proportional to 982,679.54, 1,356,127.95 and 535,160.40

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Solution

The fourth proportional to 982,679.54, 1,356,127.95 and 535,160.40 is: 738,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,679.54 : 1,356,127.95 = 535,160.40 : x
  2. Step 2: Convert to fraction form
    982,679.54/1,356,127.95 = 535,160.40/x
  3. Step 3: Cross multiply
    982,679.54x = 1,356,127.95 × 535,160.40
  4. Step 4: Simplify right side
    982,679.54x = 725,745,966,910.48
  5. Step 5: Solve for x
    x = 725,745,966,910.48/982,679.54
  6. Step 6: Final answer
    x = 738,537.78

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Double scale
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1.5x scale

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.