Home / 501,246.12-691,413.24-297,160.32

Finding the Fourth Proportional to 501,246.12, 691,413.24 and 297,160.32

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Solution

The fourth proportional to 501,246.12, 691,413.24 and 297,160.32 is: 409,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,246.12 : 691,413.24 = 297,160.32 : x
  2. Step 2: Convert to fraction form
    501,246.12/691,413.24 = 297,160.32/x
  3. Step 3: Cross multiply
    501,246.12x = 691,413.24 × 297,160.32
  4. Step 4: Simplify right side
    501,246.12x = 205,460,579,650.64
  5. Step 5: Solve for x
    x = 205,460,579,650.64/501,246.12
  6. Step 6: Final answer
    x = 409,899.59

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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.