Home / 526,314.41-726,317.99-290,575.59

Finding the Fourth Proportional to 526,314.41, 726,317.99 and 290,575.59

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Solution

The fourth proportional to 526,314.41, 726,317.99 and 290,575.59 is: 400,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,314.41 : 726,317.99 = 290,575.59 : x
  2. Step 2: Convert to fraction form
    526,314.41/726,317.99 = 290,575.59/x
  3. Step 3: Cross multiply
    526,314.41x = 726,317.99 × 290,575.59
  4. Step 4: Simplify right side
    526,314.41x = 211,050,277,018.99
  5. Step 5: Solve for x
    x = 211,050,277,018.99/526,314.41
  6. Step 6: Final answer
    x = 400,996.58

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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.