Home / 502,217.83-693,065.69-272,777.32

Finding the Fourth Proportional to 502,217.83, 693,065.69 and 272,777.32

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Solution

The fourth proportional to 502,217.83, 693,065.69 and 272,777.32 is: 376,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,217.83 : 693,065.69 = 272,777.32 : x
  2. Step 2: Convert to fraction form
    502,217.83/693,065.69 = 272,777.32/x
  3. Step 3: Cross multiply
    502,217.83x = 693,065.69 × 272,777.32
  4. Step 4: Simplify right side
    502,217.83x = 189,052,601,502.15
  5. Step 5: Solve for x
    x = 189,052,601,502.15/502,217.83
  6. Step 6: Final answer
    x = 376,435.46

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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.