Home / 638,544.23-958,049.93-297,150.53

Finding the Fourth Proportional to 638,544.23, 958,049.93 and 297,150.53

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Solution

The fourth proportional to 638,544.23, 958,049.93 and 297,150.53 is: 445,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,544.23 : 958,049.93 = 297,150.53 : x
  2. Step 2: Convert to fraction form
    638,544.23/958,049.93 = 297,150.53/x
  3. Step 3: Cross multiply
    638,544.23x = 958,049.93 × 297,150.53
  4. Step 4: Simplify right side
    638,544.23x = 284,685,044,465.96
  5. Step 5: Solve for x
    x = 284,685,044,465.96/638,544.23
  6. Step 6: Final answer
    x = 445,834.50

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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.