Home / 1,247,376.38-1,721,379.11-703,511.00

Finding the Fourth Proportional to 1,247,376.38, 1,721,379.11 and 703,511.00

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Solution

The fourth proportional to 1,247,376.38, 1,721,379.11 and 703,511.00 is: 970,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,376.38 : 1,721,379.11 = 703,511.00 : x
  2. Step 2: Convert to fraction form
    1,247,376.38/1,721,379.11 = 703,511.00/x
  3. Step 3: Cross multiply
    1,247,376.38x = 1,721,379.11 × 703,511.00
  4. Step 4: Simplify right side
    1,247,376.38x = 1,211,009,133,385.93
  5. Step 5: Solve for x
    x = 1,211,009,133,385.93/1,247,376.38
  6. Step 6: Final answer
    x = 970,845.01

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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.