Home / 1,919,852.64-2,880,401.20-657,691.36

Finding the Fourth Proportional to 1,919,852.64, 2,880,401.20 and 657,691.36

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Solution

The fourth proportional to 1,919,852.64, 2,880,401.20 and 657,691.36 is: 986,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,852.64 : 2,880,401.20 = 657,691.36 : x
  2. Step 2: Convert to fraction form
    1,919,852.64/2,880,401.20 = 657,691.36/x
  3. Step 3: Cross multiply
    1,919,852.64x = 2,880,401.20 × 657,691.36
  4. Step 4: Simplify right side
    1,919,852.64x = 1,894,414,982,573.63
  5. Step 5: Solve for x
    x = 1,894,414,982,573.63/1,919,852.64
  6. Step 6: Final answer
    x = 986,750.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.