Home / 806,271.44-1,112,282.34-519,883.52

Finding the Fourth Proportional to 806,271.44, 1,112,282.34 and 519,883.52

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Solution

The fourth proportional to 806,271.44, 1,112,282.34 and 519,883.52 is: 717,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,271.44 : 1,112,282.34 = 519,883.52 : x
  2. Step 2: Convert to fraction form
    806,271.44/1,112,282.34 = 519,883.52/x
  3. Step 3: Cross multiply
    806,271.44x = 1,112,282.34 × 519,883.52
  4. Step 4: Simplify right side
    806,271.44x = 578,257,258,153.04
  5. Step 5: Solve for x
    x = 578,257,258,153.04/806,271.44
  6. Step 6: Final answer
    x = 717,199.23

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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.