Home / 708,812.40-1,062,851.40-210,111.60

Finding the Fourth Proportional to 708,812.40, 1,062,851.40 and 210,111.60

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Solution

The fourth proportional to 708,812.40, 1,062,851.40 and 210,111.60 is: 315,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,812.40 : 1,062,851.40 = 210,111.60 : x
  2. Step 2: Convert to fraction form
    708,812.40/1,062,851.40 = 210,111.60/x
  3. Step 3: Cross multiply
    708,812.40x = 1,062,851.40 × 210,111.60
  4. Step 4: Simplify right side
    708,812.40x = 223,317,408,216.24
  5. Step 5: Solve for x
    x = 223,317,408,216.24/708,812.40
  6. Step 6: Final answer
    x = 315,058.55

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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.