Home / 928,500.48-1,280,859.03-606,399.12

Finding the Fourth Proportional to 928,500.48, 1,280,859.03 and 606,399.12

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Solution

The fourth proportional to 928,500.48, 1,280,859.03 and 606,399.12 is: 836,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,500.48 : 1,280,859.03 = 606,399.12 : x
  2. Step 2: Convert to fraction form
    928,500.48/1,280,859.03 = 606,399.12/x
  3. Step 3: Cross multiply
    928,500.48x = 1,280,859.03 × 606,399.12
  4. Step 4: Simplify right side
    928,500.48x = 776,711,788,636.05
  5. Step 5: Solve for x
    x = 776,711,788,636.05/928,500.48
  6. Step 6: Final answer
    x = 836,522.76

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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.