Home / 1,313,790.66-1,969,810.92-472,233.06

Finding the Fourth Proportional to 1,313,790.66, 1,969,810.92 and 472,233.06

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Solution

The fourth proportional to 1,313,790.66, 1,969,810.92 and 472,233.06 is: 708,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,790.66 : 1,969,810.92 = 472,233.06 : x
  2. Step 2: Convert to fraction form
    1,313,790.66/1,969,810.92 = 472,233.06/x
  3. Step 3: Cross multiply
    1,313,790.66x = 1,969,810.92 × 472,233.06
  4. Step 4: Simplify right side
    1,313,790.66x = 930,209,838,373.02
  5. Step 5: Solve for x
    x = 930,209,838,373.02/1,313,790.66
  6. Step 6: Final answer
    x = 708,035.05

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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.