Home / 1,192,050.60-1,645,020.96-648,186.72

Finding the Fourth Proportional to 1,192,050.60, 1,645,020.96 and 648,186.72

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Solution

The fourth proportional to 1,192,050.60, 1,645,020.96 and 648,186.72 is: 894,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,050.60 : 1,645,020.96 = 648,186.72 : x
  2. Step 2: Convert to fraction form
    1,192,050.60/1,645,020.96 = 648,186.72/x
  3. Step 3: Cross multiply
    1,192,050.60x = 1,645,020.96 × 648,186.72
  4. Step 4: Simplify right side
    1,192,050.60x = 1,066,280,740,393.65
  5. Step 5: Solve for x
    x = 1,066,280,740,393.65/1,192,050.60
  6. Step 6: Final answer
    x = 894,492.85

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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.