Home / 678,025.52-1,017,038.33-528,377.82

Finding the Fourth Proportional to 678,025.52, 1,017,038.33 and 528,377.82

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Solution

The fourth proportional to 678,025.52, 1,017,038.33 and 528,377.82 is: 792,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,025.52 : 1,017,038.33 = 528,377.82 : x
  2. Step 2: Convert to fraction form
    678,025.52/1,017,038.33 = 528,377.82/x
  3. Step 3: Cross multiply
    678,025.52x = 1,017,038.33 × 528,377.82
  4. Step 4: Simplify right side
    678,025.52x = 537,380,491,187.48
  5. Step 5: Solve for x
    x = 537,380,491,187.48/678,025.52
  6. Step 6: Final answer
    x = 792,566.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.