Home / 349,939.40-524,909.10-344,107.40

Finding the Fourth Proportional to 349,939.40, 524,909.10 and 344,107.40

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Solution

The fourth proportional to 349,939.40, 524,909.10 and 344,107.40 is: 516,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,939.40 : 524,909.10 = 344,107.40 : x
  2. Step 2: Convert to fraction form
    349,939.40/524,909.10 = 344,107.40/x
  3. Step 3: Cross multiply
    349,939.40x = 524,909.10 × 344,107.40
  4. Step 4: Simplify right side
    349,939.40x = 180,625,105,637.34
  5. Step 5: Solve for x
    x = 180,625,105,637.34/349,939.40
  6. Step 6: Final answer
    x = 516,161.10

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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.