Home / 898,597.20-1,237,956.68-626,170.72

Finding the Fourth Proportional to 898,597.20, 1,237,956.68 and 626,170.72

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Solution

The fourth proportional to 898,597.20, 1,237,956.68 and 626,170.72 is: 862,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,597.20 : 1,237,956.68 = 626,170.72 : x
  2. Step 2: Convert to fraction form
    898,597.20/1,237,956.68 = 626,170.72/x
  3. Step 3: Cross multiply
    898,597.20x = 1,237,956.68 × 626,170.72
  4. Step 4: Simplify right side
    898,597.20x = 775,172,225,644.41
  5. Step 5: Solve for x
    x = 775,172,225,644.41/898,597.20
  6. Step 6: Final answer
    x = 862,647.05

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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.