Home / 1,677,240.40-2,314,619.40-913,308.88

Finding the Fourth Proportional to 1,677,240.40, 2,314,619.40 and 913,308.88

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Solution

The fourth proportional to 1,677,240.40, 2,314,619.40 and 913,308.88 is: 1,260,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,240.40 : 2,314,619.40 = 913,308.88 : x
  2. Step 2: Convert to fraction form
    1,677,240.40/2,314,619.40 = 913,308.88/x
  3. Step 3: Cross multiply
    1,677,240.40x = 2,314,619.40 × 913,308.88
  4. Step 4: Simplify right side
    1,677,240.40x = 2,113,962,451,840.27
  5. Step 5: Solve for x
    x = 2,113,962,451,840.27/1,677,240.40
  6. Step 6: Final answer
    x = 1,260,381.31

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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.