Home / 638,254.46-957,381.69-195,018.62

Finding the Fourth Proportional to 638,254.46, 957,381.69 and 195,018.62

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Solution

The fourth proportional to 638,254.46, 957,381.69 and 195,018.62 is: 292,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,254.46 : 957,381.69 = 195,018.62 : x
  2. Step 2: Convert to fraction form
    638,254.46/957,381.69 = 195,018.62/x
  3. Step 3: Cross multiply
    638,254.46x = 957,381.69 × 195,018.62
  4. Step 4: Simplify right side
    638,254.46x = 186,707,255,997.07
  5. Step 5: Solve for x
    x = 186,707,255,997.07/638,254.46
  6. Step 6: Final answer
    x = 292,527.93

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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.