Home / 1,254,156.84-1,730,749.14-681,208.20

Finding the Fourth Proportional to 1,254,156.84, 1,730,749.14 and 681,208.20

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Solution

The fourth proportional to 1,254,156.84, 1,730,749.14 and 681,208.20 is: 940,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,156.84 : 1,730,749.14 = 681,208.20 : x
  2. Step 2: Convert to fraction form
    1,254,156.84/1,730,749.14 = 681,208.20/x
  3. Step 3: Cross multiply
    1,254,156.84x = 1,730,749.14 × 681,208.20
  4. Step 4: Simplify right side
    1,254,156.84x = 1,179,000,506,310.95
  5. Step 5: Solve for x
    x = 1,179,000,506,310.95/1,254,156.84
  6. Step 6: Final answer
    x = 940,074.21

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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.