Home / 624,700.20-863,539.02-557,384.34

Finding the Fourth Proportional to 624,700.20, 863,539.02 and 557,384.34

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Solution

The fourth proportional to 624,700.20, 863,539.02 and 557,384.34 is: 770,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,700.20 : 863,539.02 = 557,384.34 : x
  2. Step 2: Convert to fraction form
    624,700.20/863,539.02 = 557,384.34/x
  3. Step 3: Cross multiply
    624,700.20x = 863,539.02 × 557,384.34
  4. Step 4: Simplify right side
    624,700.20x = 481,323,126,726.95
  5. Step 5: Solve for x
    x = 481,323,126,726.95/624,700.20
  6. Step 6: Final answer
    x = 770,486.59

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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.