Home / 913,328.10-1,369,992.15-677,132.10

Finding the Fourth Proportional to 913,328.10, 1,369,992.15 and 677,132.10

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Solution

The fourth proportional to 913,328.10, 1,369,992.15 and 677,132.10 is: 1,015,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,328.10 : 1,369,992.15 = 677,132.10 : x
  2. Step 2: Convert to fraction form
    913,328.10/1,369,992.15 = 677,132.10/x
  3. Step 3: Cross multiply
    913,328.10x = 1,369,992.15 × 677,132.10
  4. Step 4: Simplify right side
    913,328.10x = 927,665,661,513.02
  5. Step 5: Solve for x
    x = 927,665,661,513.02/913,328.10
  6. Step 6: Final answer
    x = 1,015,698.15

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Double scale
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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.