Home / 1,073,215.96-1,609,401.42-389,941.48

Finding the Fourth Proportional to 1,073,215.96, 1,609,401.42 and 389,941.48

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Solution

The fourth proportional to 1,073,215.96, 1,609,401.42 and 389,941.48 is: 584,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,215.96 : 1,609,401.42 = 389,941.48 : x
  2. Step 2: Convert to fraction form
    1,073,215.96/1,609,401.42 = 389,941.48/x
  3. Step 3: Cross multiply
    1,073,215.96x = 1,609,401.42 × 389,941.48
  4. Step 4: Simplify right side
    1,073,215.96x = 627,572,371,628.90
  5. Step 5: Solve for x
    x = 627,572,371,628.90/1,073,215.96
  6. Step 6: Final answer
    x = 584,758.70

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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.