Home / 467,743.98-645,488.26-252,885.57

Finding the Fourth Proportional to 467,743.98, 645,488.26 and 252,885.57

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Solution

The fourth proportional to 467,743.98, 645,488.26 and 252,885.57 is: 348,982.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,743.98 : 645,488.26 = 252,885.57 : x
  2. Step 2: Convert to fraction form
    467,743.98/645,488.26 = 252,885.57/x
  3. Step 3: Cross multiply
    467,743.98x = 645,488.26 × 252,885.57
  4. Step 4: Simplify right side
    467,743.98x = 163,234,666,558.41
  5. Step 5: Solve for x
    x = 163,234,666,558.41/467,743.98
  6. Step 6: Final answer
    x = 348,982.93

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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.