Home / 863,642.46-1,191,441.48-500,856.14

Finding the Fourth Proportional to 863,642.46, 1,191,441.48 and 500,856.14

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Solution

The fourth proportional to 863,642.46, 1,191,441.48 and 500,856.14 is: 690,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,642.46 : 1,191,441.48 = 500,856.14 : x
  2. Step 2: Convert to fraction form
    863,642.46/1,191,441.48 = 500,856.14/x
  3. Step 3: Cross multiply
    863,642.46x = 1,191,441.48 × 500,856.14
  4. Step 4: Simplify right side
    863,642.46x = 596,740,780,708.69
  5. Step 5: Solve for x
    x = 596,740,780,708.69/863,642.46
  6. Step 6: Final answer
    x = 690,958.13

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Double scale
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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.