Home / 334,411.32-501,403.62-220,427.56

Finding the Fourth Proportional to 334,411.32, 501,403.62 and 220,427.56

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Solution

The fourth proportional to 334,411.32, 501,403.62 and 220,427.56 is: 330,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,411.32 : 501,403.62 = 220,427.56 : x
  2. Step 2: Convert to fraction form
    334,411.32/501,403.62 = 220,427.56/x
  3. Step 3: Cross multiply
    334,411.32x = 501,403.62 × 220,427.56
  4. Step 4: Simplify right side
    334,411.32x = 110,523,176,531.77
  5. Step 5: Solve for x
    x = 110,523,176,531.77/334,411.32
  6. Step 6: Final answer
    x = 330,500.70

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1.5x scale

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.