Home / 348,086.40-521,546.40-297,931.20

Finding the Fourth Proportional to 348,086.40, 521,546.40 and 297,931.20

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Solution

The fourth proportional to 348,086.40, 521,546.40 and 297,931.20 is: 446,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,086.40 : 521,546.40 = 297,931.20 : x
  2. Step 2: Convert to fraction form
    348,086.40/521,546.40 = 297,931.20/x
  3. Step 3: Cross multiply
    348,086.40x = 521,546.40 × 297,931.20
  4. Step 4: Simplify right side
    348,086.40x = 155,384,944,807.68
  5. Step 5: Solve for x
    x = 155,384,944,807.68/348,086.40
  6. Step 6: Final answer
    x = 446,397.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.