Home / 623,994.37-861,038.10-352,046.39

Finding the Fourth Proportional to 623,994.37, 861,038.10 and 352,046.39

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Solution

The fourth proportional to 623,994.37, 861,038.10 and 352,046.39 is: 485,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,994.37 : 861,038.10 = 352,046.39 : x
  2. Step 2: Convert to fraction form
    623,994.37/861,038.10 = 352,046.39/x
  3. Step 3: Cross multiply
    623,994.37x = 861,038.10 × 352,046.39
  4. Step 4: Simplify right side
    623,994.37x = 303,125,350,452.27
  5. Step 5: Solve for x
    x = 303,125,350,452.27/623,994.37
  6. Step 6: Final answer
    x = 485,782.19

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.