Home / 1,258,980.20-1,888,470.30-1,134,564.20

Finding the Fourth Proportional to 1,258,980.20, 1,888,470.30 and 1,134,564.20

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Solution

The fourth proportional to 1,258,980.20, 1,888,470.30 and 1,134,564.20 is: 1,701,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,980.20 : 1,888,470.30 = 1,134,564.20 : x
  2. Step 2: Convert to fraction form
    1,258,980.20/1,888,470.30 = 1,134,564.20/x
  3. Step 3: Cross multiply
    1,258,980.20x = 1,888,470.30 × 1,134,564.20
  4. Step 4: Simplify right side
    1,258,980.20x = 2,142,590,795,143.26
  5. Step 5: Solve for x
    x = 2,142,590,795,143.26/1,258,980.20
  6. Step 6: Final answer
    x = 1,701,846.30

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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.