Home / 816,002.10-1,224,003.15-658,538.10

Finding the Fourth Proportional to 816,002.10, 1,224,003.15 and 658,538.10

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Solution

The fourth proportional to 816,002.10, 1,224,003.15 and 658,538.10 is: 987,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,002.10 : 1,224,003.15 = 658,538.10 : x
  2. Step 2: Convert to fraction form
    816,002.10/1,224,003.15 = 658,538.10/x
  3. Step 3: Cross multiply
    816,002.10x = 1,224,003.15 × 658,538.10
  4. Step 4: Simplify right side
    816,002.10x = 806,052,708,795.02
  5. Step 5: Solve for x
    x = 806,052,708,795.02/816,002.10
  6. Step 6: Final answer
    x = 987,807.15

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Double scale
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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.