Home / 478,326.24-660,090.13-263,466.30

Finding the Fourth Proportional to 478,326.24, 660,090.13 and 263,466.30

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Solution

The fourth proportional to 478,326.24, 660,090.13 and 263,466.30 is: 363,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,326.24 : 660,090.13 = 263,466.30 : x
  2. Step 2: Convert to fraction form
    478,326.24/660,090.13 = 263,466.30/x
  3. Step 3: Cross multiply
    478,326.24x = 660,090.13 × 263,466.30
  4. Step 4: Simplify right side
    478,326.24x = 173,911,504,217.62
  5. Step 5: Solve for x
    x = 173,911,504,217.62/478,326.24
  6. Step 6: Final answer
    x = 363,583.45

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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.