Home / 800,767.23-1,105,058.77-438,191.15

Finding the Fourth Proportional to 800,767.23, 1,105,058.77 and 438,191.15

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Solution

The fourth proportional to 800,767.23, 1,105,058.77 and 438,191.15 is: 604,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,767.23 : 1,105,058.77 = 438,191.15 : x
  2. Step 2: Convert to fraction form
    800,767.23/1,105,058.77 = 438,191.15/x
  3. Step 3: Cross multiply
    800,767.23x = 1,105,058.77 × 438,191.15
  4. Step 4: Simplify right side
    800,767.23x = 484,226,966,623.11
  5. Step 5: Solve for x
    x = 484,226,966,623.11/800,767.23
  6. Step 6: Final answer
    x = 604,703.78

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1.5x scale

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.