Home / 730,518.39-1,008,113.04-408,228.48

Finding the Fourth Proportional to 730,518.39, 1,008,113.04 and 408,228.48

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Solution

The fourth proportional to 730,518.39, 1,008,113.04 and 408,228.48 is: 563,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,518.39 : 1,008,113.04 = 408,228.48 : x
  2. Step 2: Convert to fraction form
    730,518.39/1,008,113.04 = 408,228.48/x
  3. Step 3: Cross multiply
    730,518.39x = 1,008,113.04 × 408,228.48
  4. Step 4: Simplify right side
    730,518.39x = 411,540,453,987.38
  5. Step 5: Solve for x
    x = 411,540,453,987.38/730,518.39
  6. Step 6: Final answer
    x = 563,354.00

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Double scale
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Similar ratio
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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.