Home / 743,195.56-1,025,615.28-403,663.92

Finding the Fourth Proportional to 743,195.56, 1,025,615.28 and 403,663.92

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Solution

The fourth proportional to 743,195.56, 1,025,615.28 and 403,663.92 is: 557,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,195.56 : 1,025,615.28 = 403,663.92 : x
  2. Step 2: Convert to fraction form
    743,195.56/1,025,615.28 = 403,663.92/x
  3. Step 3: Cross multiply
    743,195.56x = 1,025,615.28 × 403,663.92
  4. Step 4: Simplify right side
    743,195.56x = 414,003,884,336.70
  5. Step 5: Solve for x
    x = 414,003,884,336.70/743,195.56
  6. Step 6: Final answer
    x = 557,059.15

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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.