Home / 950,615.80-1,426,139.70-319,593.40

Finding the Fourth Proportional to 950,615.80, 1,426,139.70 and 319,593.40

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Solution

The fourth proportional to 950,615.80, 1,426,139.70 and 319,593.40 is: 479,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,615.80 : 1,426,139.70 = 319,593.40 : x
  2. Step 2: Convert to fraction form
    950,615.80/1,426,139.70 = 319,593.40/x
  3. Step 3: Cross multiply
    950,615.80x = 1,426,139.70 × 319,593.40
  4. Step 4: Simplify right side
    950,615.80x = 455,784,835,597.98
  5. Step 5: Solve for x
    x = 455,784,835,597.98/950,615.80
  6. Step 6: Final answer
    x = 479,462.72

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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.