Home / 894,817.18-1,234,900.86-512,868.64

Finding the Fourth Proportional to 894,817.18, 1,234,900.86 and 512,868.64

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Solution

The fourth proportional to 894,817.18, 1,234,900.86 and 512,868.64 is: 707,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,817.18 : 1,234,900.86 = 512,868.64 : x
  2. Step 2: Convert to fraction form
    894,817.18/1,234,900.86 = 512,868.64/x
  3. Step 3: Cross multiply
    894,817.18x = 1,234,900.86 × 512,868.64
  4. Step 4: Simplify right side
    894,817.18x = 633,341,924,603.03
  5. Step 5: Solve for x
    x = 633,341,924,603.03/894,817.18
  6. Step 6: Final answer
    x = 707,789.19

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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.