Home / 1,158,356.03-1,596,759.44-813,223.71

Finding the Fourth Proportional to 1,158,356.03, 1,596,759.44 and 813,223.71

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Solution

The fourth proportional to 1,158,356.03, 1,596,759.44 and 813,223.71 is: 1,121,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,356.03 : 1,596,759.44 = 813,223.71 : x
  2. Step 2: Convert to fraction form
    1,158,356.03/1,596,759.44 = 813,223.71/x
  3. Step 3: Cross multiply
    1,158,356.03x = 1,596,759.44 × 813,223.71
  4. Step 4: Simplify right side
    1,158,356.03x = 1,298,522,631,708.20
  5. Step 5: Solve for x
    x = 1,298,522,631,708.20/1,158,356.03
  6. Step 6: Final answer
    x = 1,121,004.77

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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.