Home / 740,019.33-1,021,226.22-417,732.21

Finding the Fourth Proportional to 740,019.33, 1,021,226.22 and 417,732.21

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Solution

The fourth proportional to 740,019.33, 1,021,226.22 and 417,732.21 is: 576,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,019.33 : 1,021,226.22 = 417,732.21 : x
  2. Step 2: Convert to fraction form
    740,019.33/1,021,226.22 = 417,732.21/x
  3. Step 3: Cross multiply
    740,019.33x = 1,021,226.22 × 417,732.21
  4. Step 4: Simplify right side
    740,019.33x = 426,599,085,790.55
  5. Step 5: Solve for x
    x = 426,599,085,790.55/740,019.33
  6. Step 6: Final answer
    x = 576,470.19

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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.