Home / 840,859.45-1,161,047.21-676,995.44

Finding the Fourth Proportional to 840,859.45, 1,161,047.21 and 676,995.44

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Solution

The fourth proportional to 840,859.45, 1,161,047.21 and 676,995.44 is: 934,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,859.45 : 1,161,047.21 = 676,995.44 : x
  2. Step 2: Convert to fraction form
    840,859.45/1,161,047.21 = 676,995.44/x
  3. Step 3: Cross multiply
    840,859.45x = 1,161,047.21 × 676,995.44
  4. Step 4: Simplify right side
    840,859.45x = 786,023,657,604.51
  5. Step 5: Solve for x
    x = 786,023,657,604.51/840,859.45
  6. Step 6: Final answer
    x = 934,786.02

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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.