Home / 807,408.18-1,114,218.09-444,823.65

Finding the Fourth Proportional to 807,408.18, 1,114,218.09 and 444,823.65

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Solution

The fourth proportional to 807,408.18, 1,114,218.09 and 444,823.65 is: 613,853.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,408.18 : 1,114,218.09 = 444,823.65 : x
  2. Step 2: Convert to fraction form
    807,408.18/1,114,218.09 = 444,823.65/x
  3. Step 3: Cross multiply
    807,408.18x = 1,114,218.09 × 444,823.65
  4. Step 4: Simplify right side
    807,408.18x = 495,630,557,689.83
  5. Step 5: Solve for x
    x = 495,630,557,689.83/807,408.18
  6. Step 6: Final answer
    x = 613,853.77

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Double scale
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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.