Home / 730,531.36-1,008,134.64-408,241.46

Finding the Fourth Proportional to 730,531.36, 1,008,134.64 and 408,241.46

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Solution

The fourth proportional to 730,531.36, 1,008,134.64 and 408,241.46 is: 563,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,531.36 : 1,008,134.64 = 408,241.46 : x
  2. Step 2: Convert to fraction form
    730,531.36/1,008,134.64 = 408,241.46/x
  3. Step 3: Cross multiply
    730,531.36x = 1,008,134.64 × 408,241.46
  4. Step 4: Simplify right side
    730,531.36x = 411,562,352,269.50
  5. Step 5: Solve for x
    x = 411,562,352,269.50/730,531.36
  6. Step 6: Final answer
    x = 563,373.97

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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.