Home / 861,440.36-1,188,798.96-474,300.80

Finding the Fourth Proportional to 861,440.36, 1,188,798.96 and 474,300.80

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Solution

The fourth proportional to 861,440.36, 1,188,798.96 and 474,300.80 is: 654,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,440.36 : 1,188,798.96 = 474,300.80 : x
  2. Step 2: Convert to fraction form
    861,440.36/1,188,798.96 = 474,300.80/x
  3. Step 3: Cross multiply
    861,440.36x = 1,188,798.96 × 474,300.80
  4. Step 4: Simplify right side
    861,440.36x = 563,848,297,767.17
  5. Step 5: Solve for x
    x = 563,848,297,767.17/861,440.36
  6. Step 6: Final answer
    x = 654,541.31

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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.