Home / 755,722.32-1,042,884.20-416,222.16

Finding the Fourth Proportional to 755,722.32, 1,042,884.20 and 416,222.16

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Solution

The fourth proportional to 755,722.32, 1,042,884.20 and 416,222.16 is: 574,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,722.32 : 1,042,884.20 = 416,222.16 : x
  2. Step 2: Convert to fraction form
    755,722.32/1,042,884.20 = 416,222.16/x
  3. Step 3: Cross multiply
    755,722.32x = 1,042,884.20 × 416,222.16
  4. Step 4: Simplify right side
    755,722.32x = 434,071,514,353.87
  5. Step 5: Solve for x
    x = 434,071,514,353.87/755,722.32
  6. Step 6: Final answer
    x = 574,379.64

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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.