Home / 579,444.50-869,291.31-195,231.55

Finding the Fourth Proportional to 579,444.50, 869,291.31 and 195,231.55

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Solution

The fourth proportional to 579,444.50, 869,291.31 and 195,231.55 is: 292,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,444.50 : 869,291.31 = 195,231.55 : x
  2. Step 2: Convert to fraction form
    579,444.50/869,291.31 = 195,231.55/x
  3. Step 3: Cross multiply
    579,444.50x = 869,291.31 × 195,231.55
  4. Step 4: Simplify right side
    579,444.50x = 169,713,090,041.64
  5. Step 5: Solve for x
    x = 169,713,090,041.64/579,444.50
  6. Step 6: Final answer
    x = 292,889.29

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Half scale
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Double scale
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Similar ratio
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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.