Home / 918,172.30-1,267,052.46-510,263.86

Finding the Fourth Proportional to 918,172.30, 1,267,052.46 and 510,263.86

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Solution

The fourth proportional to 918,172.30, 1,267,052.46 and 510,263.86 is: 704,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,172.30 : 1,267,052.46 = 510,263.86 : x
  2. Step 2: Convert to fraction form
    918,172.30/1,267,052.46 = 510,263.86/x
  3. Step 3: Cross multiply
    918,172.30x = 1,267,052.46 × 510,263.86
  4. Step 4: Simplify right side
    918,172.30x = 646,531,079,062.10
  5. Step 5: Solve for x
    x = 646,531,079,062.10/918,172.30
  6. Step 6: Final answer
    x = 704,150.06

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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.