Home / 803,022.45-1,108,176.42-440,448.90

Finding the Fourth Proportional to 803,022.45, 1,108,176.42 and 440,448.90

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Solution

The fourth proportional to 803,022.45, 1,108,176.42 and 440,448.90 is: 607,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,022.45 : 1,108,176.42 = 440,448.90 : x
  2. Step 2: Convert to fraction form
    803,022.45/1,108,176.42 = 440,448.90/x
  3. Step 3: Cross multiply
    803,022.45x = 1,108,176.42 × 440,448.90
  4. Step 4: Simplify right side
    803,022.45x = 488,095,085,194.94
  5. Step 5: Solve for x
    x = 488,095,085,194.94/803,022.45
  6. Step 6: Final answer
    x = 607,822.47

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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.