Home / 1,122,453.71-1,549,020.17-613,188.89

Finding the Fourth Proportional to 1,122,453.71, 1,549,020.17 and 613,188.89

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Solution

The fourth proportional to 1,122,453.71, 1,549,020.17 and 613,188.89 is: 846,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,453.71 : 1,549,020.17 = 613,188.89 : x
  2. Step 2: Convert to fraction form
    1,122,453.71/1,549,020.17 = 613,188.89/x
  3. Step 3: Cross multiply
    1,122,453.71x = 1,549,020.17 × 613,188.89
  4. Step 4: Simplify right side
    1,122,453.71x = 949,841,955,563.97
  5. Step 5: Solve for x
    x = 949,841,955,563.97/1,122,453.71
  6. Step 6: Final answer
    x = 846,219.27

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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.