Home / 928,235.87-1,280,942.37-514,770.24

Finding the Fourth Proportional to 928,235.87, 1,280,942.37 and 514,770.24

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Solution

The fourth proportional to 928,235.87, 1,280,942.37 and 514,770.24 is: 710,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,235.87 : 1,280,942.37 = 514,770.24 : x
  2. Step 2: Convert to fraction form
    928,235.87/1,280,942.37 = 514,770.24/x
  3. Step 3: Cross multiply
    928,235.87x = 1,280,942.37 × 514,770.24
  4. Step 4: Simplify right side
    928,235.87x = 659,391,011,231.07
  5. Step 5: Solve for x
    x = 659,391,011,231.07/928,235.87
  6. Step 6: Final answer
    x = 710,370.11

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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.