Home / 623,531.43-934,345.79-324,109.26

Finding the Fourth Proportional to 623,531.43, 934,345.79 and 324,109.26

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Solution

The fourth proportional to 623,531.43, 934,345.79 and 324,109.26 is: 485,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,531.43 : 934,345.79 = 324,109.26 : x
  2. Step 2: Convert to fraction form
    623,531.43/934,345.79 = 324,109.26/x
  3. Step 3: Cross multiply
    623,531.43x = 934,345.79 × 324,109.26
  4. Step 4: Simplify right side
    623,531.43x = 302,830,120,960.47
  5. Step 5: Solve for x
    x = 302,830,120,960.47/623,531.43
  6. Step 6: Final answer
    x = 485,669.38

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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.