Home / 659,180.25-909,559.40-414,126.90

Finding the Fourth Proportional to 659,180.25, 909,559.40 and 414,126.90

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Solution

The fourth proportional to 659,180.25, 909,559.40 and 414,126.90 is: 571,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,180.25 : 909,559.40 = 414,126.90 : x
  2. Step 2: Convert to fraction form
    659,180.25/909,559.40 = 414,126.90/x
  3. Step 3: Cross multiply
    659,180.25x = 909,559.40 × 414,126.90
  4. Step 4: Simplify right side
    659,180.25x = 376,673,012,617.23
  5. Step 5: Solve for x
    x = 376,673,012,617.23/659,180.25
  6. Step 6: Final answer
    x = 571,426.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.