Home / 919,599.75-1,269,223.28-608,954.80

Finding the Fourth Proportional to 919,599.75, 1,269,223.28 and 608,954.80

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Solution

The fourth proportional to 919,599.75, 1,269,223.28 and 608,954.80 is: 840,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,599.75 : 1,269,223.28 = 608,954.80 : x
  2. Step 2: Convert to fraction form
    919,599.75/1,269,223.28 = 608,954.80/x
  3. Step 3: Cross multiply
    919,599.75x = 1,269,223.28 × 608,954.80
  4. Step 4: Simplify right side
    919,599.75x = 772,899,608,627.74
  5. Step 5: Solve for x
    x = 772,899,608,627.74/919,599.75
  6. Step 6: Final answer
    x = 840,473.92

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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.