Home / 730,481.34-1,008,045.45-408,194.08

Finding the Fourth Proportional to 730,481.34, 1,008,045.45 and 408,194.08

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Solution

The fourth proportional to 730,481.34, 1,008,045.45 and 408,194.08 is: 563,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,481.34 : 1,008,045.45 = 408,194.08 : x
  2. Step 2: Convert to fraction form
    730,481.34/1,008,045.45 = 408,194.08/x
  3. Step 3: Cross multiply
    730,481.34x = 1,008,045.45 × 408,194.08
  4. Step 4: Simplify right side
    730,481.34x = 411,478,185,060.94
  5. Step 5: Solve for x
    x = 411,478,185,060.94/730,481.34
  6. Step 6: Final answer
    x = 563,297.33

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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.