Home / 1,049,188.40-1,574,171.40-339,239.60

Finding the Fourth Proportional to 1,049,188.40, 1,574,171.40 and 339,239.60

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Solution

The fourth proportional to 1,049,188.40, 1,574,171.40 and 339,239.60 is: 508,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,188.40 : 1,574,171.40 = 339,239.60 : x
  2. Step 2: Convert to fraction form
    1,049,188.40/1,574,171.40 = 339,239.60/x
  3. Step 3: Cross multiply
    1,049,188.40x = 1,574,171.40 × 339,239.60
  4. Step 4: Simplify right side
    1,049,188.40x = 534,021,276,067.44
  5. Step 5: Solve for x
    x = 534,021,276,067.44/1,049,188.40
  6. Step 6: Final answer
    x = 508,985.11

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Double scale
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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.