Home / 768,113.37-1,060,186.19-466,560.09

Finding the Fourth Proportional to 768,113.37, 1,060,186.19 and 466,560.09

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Solution

The fourth proportional to 768,113.37, 1,060,186.19 and 466,560.09 is: 643,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,113.37 : 1,060,186.19 = 466,560.09 : x
  2. Step 2: Convert to fraction form
    768,113.37/1,060,186.19 = 466,560.09/x
  3. Step 3: Cross multiply
    768,113.37x = 1,060,186.19 × 466,560.09
  4. Step 4: Simplify right side
    768,113.37x = 494,640,561,890.36
  5. Step 5: Solve for x
    x = 494,640,561,890.36/768,113.37
  6. Step 6: Final answer
    x = 643,968.17

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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.