Home / 500,943.48-691,330.28-297,115.08

Finding the Fourth Proportional to 500,943.48, 691,330.28 and 297,115.08

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Solution

The fourth proportional to 500,943.48, 691,330.28 and 297,115.08 is: 410,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,943.48 : 691,330.28 = 297,115.08 : x
  2. Step 2: Convert to fraction form
    500,943.48/691,330.28 = 297,115.08/x
  3. Step 3: Cross multiply
    500,943.48x = 691,330.28 × 297,115.08
  4. Step 4: Simplify right side
    500,943.48x = 205,404,651,448.62
  5. Step 5: Solve for x
    x = 205,404,651,448.62/500,943.48
  6. Step 6: Final answer
    x = 410,035.58

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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.