Home / 651,219.14-977,723.47-331,585.75

Finding the Fourth Proportional to 651,219.14, 977,723.47 and 331,585.75

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Solution

The fourth proportional to 651,219.14, 977,723.47 and 331,585.75 is: 497,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,219.14 : 977,723.47 = 331,585.75 : x
  2. Step 2: Convert to fraction form
    651,219.14/977,723.47 = 331,585.75/x
  3. Step 3: Cross multiply
    651,219.14x = 977,723.47 × 331,585.75
  4. Step 4: Simplify right side
    651,219.14x = 324,199,170,485.74
  5. Step 5: Solve for x
    x = 324,199,170,485.74/651,219.14
  6. Step 6: Final answer
    x = 497,834.21

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Half scale
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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.