Home / 863,314.18-1,191,061.18-500,538.26

Finding the Fourth Proportional to 863,314.18, 1,191,061.18 and 500,538.26

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Solution

The fourth proportional to 863,314.18, 1,191,061.18 and 500,538.26 is: 690,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,314.18 : 1,191,061.18 = 500,538.26 : x
  2. Step 2: Convert to fraction form
    863,314.18/1,191,061.18 = 500,538.26/x
  3. Step 3: Cross multiply
    863,314.18x = 1,191,061.18 × 500,538.26
  4. Step 4: Simplify right side
    863,314.18x = 596,171,690,590.75
  5. Step 5: Solve for x
    x = 596,171,690,590.75/863,314.18
  6. Step 6: Final answer
    x = 690,561.68

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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.