Home / 928,502.48-1,280,861.79-606,401.12

Finding the Fourth Proportional to 928,502.48, 1,280,861.79 and 606,401.12

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Solution

The fourth proportional to 928,502.48, 1,280,861.79 and 606,401.12 is: 836,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,502.48 : 1,280,861.79 = 606,401.12 : x
  2. Step 2: Convert to fraction form
    928,502.48/1,280,861.79 = 606,401.12/x
  3. Step 3: Cross multiply
    928,502.48x = 1,280,861.79 × 606,401.12
  4. Step 4: Simplify right side
    928,502.48x = 776,716,020,989.20
  5. Step 5: Solve for x
    x = 776,716,020,989.20/928,502.48
  6. Step 6: Final answer
    x = 836,525.52

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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.