Home / 1,197,842.20-1,796,763.30-488,379.40

Finding the Fourth Proportional to 1,197,842.20, 1,796,763.30 and 488,379.40

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Solution

The fourth proportional to 1,197,842.20, 1,796,763.30 and 488,379.40 is: 732,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,842.20 : 1,796,763.30 = 488,379.40 : x
  2. Step 2: Convert to fraction form
    1,197,842.20/1,796,763.30 = 488,379.40/x
  3. Step 3: Cross multiply
    1,197,842.20x = 1,796,763.30 × 488,379.40
  4. Step 4: Simplify right side
    1,197,842.20x = 877,502,182,396.02
  5. Step 5: Solve for x
    x = 877,502,182,396.02/1,197,842.20
  6. Step 6: Final answer
    x = 732,569.10

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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.