Home / 1,237,590.81-1,856,387.84-339,040.40

Finding the Fourth Proportional to 1,237,590.81, 1,856,387.84 and 339,040.40

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Solution

The fourth proportional to 1,237,590.81, 1,856,387.84 and 339,040.40 is: 508,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,590.81 : 1,856,387.84 = 339,040.40 : x
  2. Step 2: Convert to fraction form
    1,237,590.81/1,856,387.84 = 339,040.40/x
  3. Step 3: Cross multiply
    1,237,590.81x = 1,856,387.84 × 339,040.40
  4. Step 4: Simplify right side
    1,237,590.81x = 629,390,464,851.60
  5. Step 5: Solve for x
    x = 629,390,464,851.60/1,237,590.81
  6. Step 6: Final answer
    x = 508,561.04

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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.