Home / 876,750.16-1,209,915.48-494,857.84

Finding the Fourth Proportional to 876,750.16, 1,209,915.48 and 494,857.84

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Solution

The fourth proportional to 876,750.16, 1,209,915.48 and 494,857.84 is: 682,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,750.16 : 1,209,915.48 = 494,857.84 : x
  2. Step 2: Convert to fraction form
    876,750.16/1,209,915.48 = 494,857.84/x
  3. Step 3: Cross multiply
    876,750.16x = 1,209,915.48 × 494,857.84
  4. Step 4: Simplify right side
    876,750.16x = 598,736,161,015.36
  5. Step 5: Solve for x
    x = 598,736,161,015.36/876,750.16
  6. Step 6: Final answer
    x = 682,903.97

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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.