Home / 679,064.01-936,465.98-446,079.61

Finding the Fourth Proportional to 679,064.01, 936,465.98 and 446,079.61

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Solution

The fourth proportional to 679,064.01, 936,465.98 and 446,079.61 is: 615,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,064.01 : 936,465.98 = 446,079.61 : x
  2. Step 2: Convert to fraction form
    679,064.01/936,465.98 = 446,079.61/x
  3. Step 3: Cross multiply
    679,064.01x = 936,465.98 × 446,079.61
  4. Step 4: Simplify right side
    679,064.01x = 417,738,382,593.03
  5. Step 5: Solve for x
    x = 417,738,382,593.03/679,064.01
  6. Step 6: Final answer
    x = 615,167.90

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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.