Home / 1,656,671.56-2,485,038.45-519,408.55

Finding the Fourth Proportional to 1,656,671.56, 2,485,038.45 and 519,408.55

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Solution

The fourth proportional to 1,656,671.56, 2,485,038.45 and 519,408.55 is: 779,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,671.56 : 2,485,038.45 = 519,408.55 : x
  2. Step 2: Convert to fraction form
    1,656,671.56/2,485,038.45 = 519,408.55/x
  3. Step 3: Cross multiply
    1,656,671.56x = 2,485,038.45 × 519,408.55
  4. Step 4: Simplify right side
    1,656,671.56x = 1,290,750,218,008.75
  5. Step 5: Solve for x
    x = 1,290,750,218,008.75/1,656,671.56
  6. Step 6: Final answer
    x = 779,122.58

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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.