Home / 782,681.51-1,174,169.75-296,509.28

Finding the Fourth Proportional to 782,681.51, 1,174,169.75 and 296,509.28

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Solution

The fourth proportional to 782,681.51, 1,174,169.75 and 296,509.28 is: 444,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,681.51 : 1,174,169.75 = 296,509.28 : x
  2. Step 2: Convert to fraction form
    782,681.51/1,174,169.75 = 296,509.28/x
  3. Step 3: Cross multiply
    782,681.51x = 1,174,169.75 × 296,509.28
  4. Step 4: Simplify right side
    782,681.51x = 348,152,221,299.43
  5. Step 5: Solve for x
    x = 348,152,221,299.43/782,681.51
  6. Step 6: Final answer
    x = 444,819.79

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1.5x scale

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.