Home / 651,219.65-977,724.22-331,586.25

Finding the Fourth Proportional to 651,219.65, 977,724.22 and 331,586.25

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Solution

The fourth proportional to 651,219.65, 977,724.22 and 331,586.25 is: 497,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,219.65 : 977,724.22 = 331,586.25 : x
  2. Step 2: Convert to fraction form
    651,219.65/977,724.22 = 331,586.25/x
  3. Step 3: Cross multiply
    651,219.65x = 977,724.22 × 331,586.25
  4. Step 4: Simplify right side
    651,219.65x = 324,199,907,643.98
  5. Step 5: Solve for x
    x = 324,199,907,643.98/651,219.65
  6. Step 6: Final answer
    x = 497,834.96

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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.