Home / 579,066.32-868,385.98-199,890.56

Finding the Fourth Proportional to 579,066.32, 868,385.98 and 199,890.56

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Solution

The fourth proportional to 579,066.32, 868,385.98 and 199,890.56 is: 299,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,066.32 : 868,385.98 = 199,890.56 : x
  2. Step 2: Convert to fraction form
    579,066.32/868,385.98 = 199,890.56/x
  3. Step 3: Cross multiply
    579,066.32x = 868,385.98 × 199,890.56
  4. Step 4: Simplify right side
    579,066.32x = 173,582,159,838.35
  5. Step 5: Solve for x
    x = 173,582,159,838.35/579,066.32
  6. Step 6: Final answer
    x = 299,762.14

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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.