Home / 983,125.20-1,474,736.40-510,733.20

Finding the Fourth Proportional to 983,125.20, 1,474,736.40 and 510,733.20

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Solution

The fourth proportional to 983,125.20, 1,474,736.40 and 510,733.20 is: 766,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,125.20 : 1,474,736.40 = 510,733.20 : x
  2. Step 2: Convert to fraction form
    983,125.20/1,474,736.40 = 510,733.20/x
  3. Step 3: Cross multiply
    983,125.20x = 1,474,736.40 × 510,733.20
  4. Step 4: Simplify right side
    983,125.20x = 753,196,840,728.48
  5. Step 5: Solve for x
    x = 753,196,840,728.48/983,125.20
  6. Step 6: Final answer
    x = 766,125.05

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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.