Home / 1,144,881.78-1,717,520.62-386,728.77

Finding the Fourth Proportional to 1,144,881.78, 1,717,520.62 and 386,728.77

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Solution

The fourth proportional to 1,144,881.78, 1,717,520.62 and 386,728.77 is: 580,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,881.78 : 1,717,520.62 = 386,728.77 : x
  2. Step 2: Convert to fraction form
    1,144,881.78/1,717,520.62 = 386,728.77/x
  3. Step 3: Cross multiply
    1,144,881.78x = 1,717,520.62 × 386,728.77
  4. Step 4: Simplify right side
    1,144,881.78x = 664,214,637,305.65
  5. Step 5: Solve for x
    x = 664,214,637,305.65/1,144,881.78
  6. Step 6: Final answer
    x = 580,160.02

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1.5x scale

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.