Home / 1,399,085.93-2,098,394.14-388,310.57

Finding the Fourth Proportional to 1,399,085.93, 2,098,394.14 and 388,310.57

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Solution

The fourth proportional to 1,399,085.93, 2,098,394.14 and 388,310.57 is: 582,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,085.93 : 2,098,394.14 = 388,310.57 : x
  2. Step 2: Convert to fraction form
    1,399,085.93/2,098,394.14 = 388,310.57/x
  3. Step 3: Cross multiply
    1,399,085.93x = 2,098,394.14 × 388,310.57
  4. Step 4: Simplify right side
    1,399,085.93x = 814,828,630,152.31
  5. Step 5: Solve for x
    x = 814,828,630,152.31/1,399,085.93
  6. Step 6: Final answer
    x = 582,400.70

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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.