Home / 867,541.26-1,197,221.74-475,108.72

Finding the Fourth Proportional to 867,541.26, 1,197,221.74 and 475,108.72

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Solution

The fourth proportional to 867,541.26, 1,197,221.74 and 475,108.72 is: 655,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,541.26 : 1,197,221.74 = 475,108.72 : x
  2. Step 2: Convert to fraction form
    867,541.26/1,197,221.74 = 475,108.72/x
  3. Step 3: Cross multiply
    867,541.26x = 1,197,221.74 × 475,108.72
  4. Step 4: Simplify right side
    867,541.26x = 568,810,488,447.57
  5. Step 5: Solve for x
    x = 568,810,488,447.57/867,541.26
  6. Step 6: Final answer
    x = 655,658.14

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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.