Home / 589,113.70-883,670.55-215,088.10

Finding the Fourth Proportional to 589,113.70, 883,670.55 and 215,088.10

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Solution

The fourth proportional to 589,113.70, 883,670.55 and 215,088.10 is: 322,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,113.70 : 883,670.55 = 215,088.10 : x
  2. Step 2: Convert to fraction form
    589,113.70/883,670.55 = 215,088.10/x
  3. Step 3: Cross multiply
    589,113.70x = 883,670.55 × 215,088.10
  4. Step 4: Simplify right side
    589,113.70x = 190,067,019,625.46
  5. Step 5: Solve for x
    x = 190,067,019,625.46/589,113.70
  6. Step 6: Final answer
    x = 322,632.15

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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.