Home / 1,058,276.40-1,585,859.40-426,087.60

Finding the Fourth Proportional to 1,058,276.40, 1,585,859.40 and 426,087.60

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Solution

The fourth proportional to 1,058,276.40, 1,585,859.40 and 426,087.60 is: 638,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,276.40 : 1,585,859.40 = 426,087.60 : x
  2. Step 2: Convert to fraction form
    1,058,276.40/1,585,859.40 = 426,087.60/x
  3. Step 3: Cross multiply
    1,058,276.40x = 1,585,859.40 × 426,087.60
  4. Step 4: Simplify right side
    1,058,276.40x = 675,715,025,683.44
  5. Step 5: Solve for x
    x = 675,715,025,683.44/1,058,276.40
  6. Step 6: Final answer
    x = 638,505.24

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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.