Home / 749,159.43-1,033,941.16-422,539.49

Finding the Fourth Proportional to 749,159.43, 1,033,941.16 and 422,539.49

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Solution

The fourth proportional to 749,159.43, 1,033,941.16 and 422,539.49 is: 583,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,159.43 : 1,033,941.16 = 422,539.49 : x
  2. Step 2: Convert to fraction form
    749,159.43/1,033,941.16 = 422,539.49/x
  3. Step 3: Cross multiply
    749,159.43x = 1,033,941.16 × 422,539.49
  4. Step 4: Simplify right side
    749,159.43x = 436,880,965,356.73
  5. Step 5: Solve for x
    x = 436,880,965,356.73/749,159.43
  6. Step 6: Final answer
    x = 583,161.54

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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.