Home / 502,331.15-692,816.09-330,425.66

Finding the Fourth Proportional to 502,331.15, 692,816.09 and 330,425.66

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Solution

The fourth proportional to 502,331.15, 692,816.09 and 330,425.66 is: 455,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,331.15 : 692,816.09 = 330,425.66 : x
  2. Step 2: Convert to fraction form
    502,331.15/692,816.09 = 330,425.66/x
  3. Step 3: Cross multiply
    502,331.15x = 692,816.09 × 330,425.66
  4. Step 4: Simplify right side
    502,331.15x = 228,924,213,876.78
  5. Step 5: Solve for x
    x = 228,924,213,876.78/502,331.15
  6. Step 6: Final answer
    x = 455,723.70

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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.