Home / 590,719.32-814,949.94-438,132.92

Finding the Fourth Proportional to 590,719.32, 814,949.94 and 438,132.92

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Solution

The fourth proportional to 590,719.32, 814,949.94 and 438,132.92 is: 604,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,719.32 : 814,949.94 = 438,132.92 : x
  2. Step 2: Convert to fraction form
    590,719.32/814,949.94 = 438,132.92/x
  3. Step 3: Cross multiply
    590,719.32x = 814,949.94 × 438,132.92
  4. Step 4: Simplify right side
    590,719.32x = 357,056,396,866.03
  5. Step 5: Solve for x
    x = 357,056,396,866.03/590,719.32
  6. Step 6: Final answer
    x = 604,443.40

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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.