Home / 1,318,913.57-1,977,041.13-519,885.83

Finding the Fourth Proportional to 1,318,913.57, 1,977,041.13 and 519,885.83

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Solution

The fourth proportional to 1,318,913.57, 1,977,041.13 and 519,885.83 is: 779,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,913.57 : 1,977,041.13 = 519,885.83 : x
  2. Step 2: Convert to fraction form
    1,318,913.57/1,977,041.13 = 519,885.83/x
  3. Step 3: Cross multiply
    1,318,913.57x = 1,977,041.13 × 519,885.83
  4. Step 4: Simplify right side
    1,318,913.57x = 1,027,835,658,928.98
  5. Step 5: Solve for x
    x = 1,027,835,658,928.98/1,318,913.57
  6. Step 6: Final answer
    x = 779,304.79

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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.