Home / 743,194.52-1,025,602.80-403,665.20

Finding the Fourth Proportional to 743,194.52, 1,025,602.80 and 403,665.20

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Solution

The fourth proportional to 743,194.52, 1,025,602.80 and 403,665.20 is: 557,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,194.52 : 1,025,602.80 = 403,665.20 : x
  2. Step 2: Convert to fraction form
    743,194.52/1,025,602.80 = 403,665.20/x
  3. Step 3: Cross multiply
    743,194.52x = 1,025,602.80 × 403,665.20
  4. Step 4: Simplify right side
    743,194.52x = 414,000,159,382.56
  5. Step 5: Solve for x
    x = 414,000,159,382.56/743,194.52
  6. Step 6: Final answer
    x = 557,054.91

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Double scale
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Similar ratio
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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.