Home / 783,859.91-1,081,725.89-444,328.16

Finding the Fourth Proportional to 783,859.91, 1,081,725.89 and 444,328.16

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Solution

The fourth proportional to 783,859.91, 1,081,725.89 and 444,328.16 is: 613,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,859.91 : 1,081,725.89 = 444,328.16 : x
  2. Step 2: Convert to fraction form
    783,859.91/1,081,725.89 = 444,328.16/x
  3. Step 3: Cross multiply
    783,859.91x = 1,081,725.89 × 444,328.16
  4. Step 4: Simplify right side
    783,859.91x = 480,641,266,697.79
  5. Step 5: Solve for x
    x = 480,641,266,697.79/783,859.91
  6. Step 6: Final answer
    x = 613,172.41

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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.