Home / 1,418,612.60-2,128,113.30-519,836.60

Finding the Fourth Proportional to 1,418,612.60, 2,128,113.30 and 519,836.60

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Solution

The fourth proportional to 1,418,612.60, 2,128,113.30 and 519,836.60 is: 779,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,612.60 : 2,128,113.30 = 519,836.60 : x
  2. Step 2: Convert to fraction form
    1,418,612.60/2,128,113.30 = 519,836.60/x
  3. Step 3: Cross multiply
    1,418,612.60x = 2,128,113.30 × 519,836.60
  4. Step 4: Simplify right side
    1,418,612.60x = 1,106,271,182,286.78
  5. Step 5: Solve for x
    x = 1,106,271,182,286.78/1,418,612.60
  6. Step 6: Final answer
    x = 779,826.14

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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.