Home / 679,065.39-936,467.88-446,081.00

Finding the Fourth Proportional to 679,065.39, 936,467.88 and 446,081.00

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Solution

The fourth proportional to 679,065.39, 936,467.88 and 446,081.00 is: 615,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,065.39 : 936,467.88 = 446,081.00 : x
  2. Step 2: Convert to fraction form
    679,065.39/936,467.88 = 446,081.00/x
  3. Step 3: Cross multiply
    679,065.39x = 936,467.88 × 446,081.00
  4. Step 4: Simplify right side
    679,065.39x = 417,740,523,695.94
  5. Step 5: Solve for x
    x = 417,740,523,695.94/679,065.39
  6. Step 6: Final answer
    x = 615,169.81

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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.