Home / 1,138,531.68-1,707,795.36-1,069,247.52

Finding the Fourth Proportional to 1,138,531.68, 1,707,795.36 and 1,069,247.52

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Solution

The fourth proportional to 1,138,531.68, 1,707,795.36 and 1,069,247.52 is: 1,603,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,531.68 : 1,707,795.36 = 1,069,247.52 : x
  2. Step 2: Convert to fraction form
    1,138,531.68/1,707,795.36 = 1,069,247.52/x
  3. Step 3: Cross multiply
    1,138,531.68x = 1,707,795.36 × 1,069,247.52
  4. Step 4: Simplify right side
    1,138,531.68x = 1,826,055,953,347.51
  5. Step 5: Solve for x
    x = 1,826,055,953,347.51/1,138,531.68
  6. Step 6: Final answer
    x = 1,603,869.25

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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.