Home / 867,514.69-1,197,170.13-485,541.46

Finding the Fourth Proportional to 867,514.69, 1,197,170.13 and 485,541.46

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Solution

The fourth proportional to 867,514.69, 1,197,170.13 and 485,541.46 is: 670,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,514.69 : 1,197,170.13 = 485,541.46 : x
  2. Step 2: Convert to fraction form
    867,514.69/1,197,170.13 = 485,541.46/x
  3. Step 3: Cross multiply
    867,514.69x = 1,197,170.13 × 485,541.46
  4. Step 4: Simplify right side
    867,514.69x = 581,275,732,788.59
  5. Step 5: Solve for x
    x = 581,275,732,788.59/867,514.69
  6. Step 6: Final answer
    x = 670,047.14

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Double scale
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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.