Home / 865,610.58-1,194,604.44-478,417.66

Finding the Fourth Proportional to 865,610.58, 1,194,604.44 and 478,417.66

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Solution

The fourth proportional to 865,610.58, 1,194,604.44 and 478,417.66 is: 660,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,610.58 : 1,194,604.44 = 478,417.66 : x
  2. Step 2: Convert to fraction form
    865,610.58/1,194,604.44 = 478,417.66/x
  3. Step 3: Cross multiply
    865,610.58x = 1,194,604.44 × 478,417.66
  4. Step 4: Simplify right side
    865,610.58x = 571,519,860,810.41
  5. Step 5: Solve for x
    x = 571,519,860,810.41/865,610.58
  6. Step 6: Final answer
    x = 660,250.55

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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.