Home / 743,177.52-1,025,579.34-403,648.20

Finding the Fourth Proportional to 743,177.52, 1,025,579.34 and 403,648.20

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Solution

The fourth proportional to 743,177.52, 1,025,579.34 and 403,648.20 is: 557,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,177.52 : 1,025,579.34 = 403,648.20 : x
  2. Step 2: Convert to fraction form
    743,177.52/1,025,579.34 = 403,648.20/x
  3. Step 3: Cross multiply
    743,177.52x = 1,025,579.34 × 403,648.20
  4. Step 4: Simplify right side
    743,177.52x = 413,973,254,548.19
  5. Step 5: Solve for x
    x = 413,973,254,548.19/743,177.52
  6. Step 6: Final answer
    x = 557,031.45

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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.