Home / 651,812.40-977,815.80-231,055.20

Finding the Fourth Proportional to 651,812.40, 977,815.80 and 231,055.20

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Solution

The fourth proportional to 651,812.40, 977,815.80 and 231,055.20 is: 346,617.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,812.40 : 977,815.80 = 231,055.20 : x
  2. Step 2: Convert to fraction form
    651,812.40/977,815.80 = 231,055.20/x
  3. Step 3: Cross multiply
    651,812.40x = 977,815.80 × 231,055.20
  4. Step 4: Simplify right side
    651,812.40x = 225,929,425,232.16
  5. Step 5: Solve for x
    x = 225,929,425,232.16/651,812.40
  6. Step 6: Final answer
    x = 346,617.26

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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.