Home / 1,238,271.60-1,857,591.95-439,486.25

Finding the Fourth Proportional to 1,238,271.60, 1,857,591.95 and 439,486.25

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Solution

The fourth proportional to 1,238,271.60, 1,857,591.95 and 439,486.25 is: 659,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,271.60 : 1,857,591.95 = 439,486.25 : x
  2. Step 2: Convert to fraction form
    1,238,271.60/1,857,591.95 = 439,486.25/x
  3. Step 3: Cross multiply
    1,238,271.60x = 1,857,591.95 × 439,486.25
  4. Step 4: Simplify right side
    1,238,271.60x = 816,386,122,582.24
  5. Step 5: Solve for x
    x = 816,386,122,582.24/1,238,271.60
  6. Step 6: Final answer
    x = 659,294.88

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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.