Home / 679,065.01-936,467.36-446,080.61

Finding the Fourth Proportional to 679,065.01, 936,467.36 and 446,080.61

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Solution

The fourth proportional to 679,065.01, 936,467.36 and 446,080.61 is: 615,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,065.01 : 936,467.36 = 446,080.61 : x
  2. Step 2: Convert to fraction form
    679,065.01/936,467.36 = 446,080.61/x
  3. Step 3: Cross multiply
    679,065.01x = 936,467.36 × 446,080.61
  4. Step 4: Simplify right side
    679,065.01x = 417,739,931,193.89
  5. Step 5: Solve for x
    x = 417,739,931,193.89/679,065.01
  6. Step 6: Final answer
    x = 615,169.28

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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.