Home / 867,081.06-1,299,538.26-417,718.14

Finding the Fourth Proportional to 867,081.06, 1,299,538.26 and 417,718.14

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Solution

The fourth proportional to 867,081.06, 1,299,538.26 and 417,718.14 is: 626,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,081.06 : 1,299,538.26 = 417,718.14 : x
  2. Step 2: Convert to fraction form
    867,081.06/1,299,538.26 = 417,718.14/x
  3. Step 3: Cross multiply
    867,081.06x = 1,299,538.26 × 417,718.14
  4. Step 4: Simplify right side
    867,081.06x = 542,840,704,826.04
  5. Step 5: Solve for x
    x = 542,840,704,826.04/867,081.06
  6. Step 6: Final answer
    x = 626,055.31

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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.