Home / 437,840.20-604,218.18-236,636.20

Finding the Fourth Proportional to 437,840.20, 604,218.18 and 236,636.20

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Solution

The fourth proportional to 437,840.20, 604,218.18 and 236,636.20 is: 326,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,840.20 : 604,218.18 = 236,636.20 : x
  2. Step 2: Convert to fraction form
    437,840.20/604,218.18 = 236,636.20/x
  3. Step 3: Cross multiply
    437,840.20x = 604,218.18 × 236,636.20
  4. Step 4: Simplify right side
    437,840.20x = 142,979,894,086.12
  5. Step 5: Solve for x
    x = 142,979,894,086.12/437,840.20
  6. Step 6: Final answer
    x = 326,557.26

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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.