Home / 684,257.55-944,068.02-477,520.44

Finding the Fourth Proportional to 684,257.55, 944,068.02 and 477,520.44

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Solution

The fourth proportional to 684,257.55, 944,068.02 and 477,520.44 is: 658,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,257.55 : 944,068.02 = 477,520.44 : x
  2. Step 2: Convert to fraction form
    684,257.55/944,068.02 = 477,520.44/x
  3. Step 3: Cross multiply
    684,257.55x = 944,068.02 × 477,520.44
  4. Step 4: Simplify right side
    684,257.55x = 450,811,776,300.33
  5. Step 5: Solve for x
    x = 450,811,776,300.33/684,257.55
  6. Step 6: Final answer
    x = 658,833.47

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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.