Home / 502,926.96-693,885.21-285,100.74

Finding the Fourth Proportional to 502,926.96, 693,885.21 and 285,100.74

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Solution

The fourth proportional to 502,926.96, 693,885.21 and 285,100.74 is: 393,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,926.96 : 693,885.21 = 285,100.74 : x
  2. Step 2: Convert to fraction form
    502,926.96/693,885.21 = 285,100.74/x
  3. Step 3: Cross multiply
    502,926.96x = 693,885.21 × 285,100.74
  4. Step 4: Simplify right side
    502,926.96x = 197,827,184,627.22
  5. Step 5: Solve for x
    x = 197,827,184,627.22/502,926.96
  6. Step 6: Final answer
    x = 393,351.72

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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.