Home / 743,010.11-1,114,154.64-363,486.32

Finding the Fourth Proportional to 743,010.11, 1,114,154.64 and 363,486.32

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Solution

The fourth proportional to 743,010.11, 1,114,154.64 and 363,486.32 is: 545,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,010.11 : 1,114,154.64 = 363,486.32 : x
  2. Step 2: Convert to fraction form
    743,010.11/1,114,154.64 = 363,486.32/x
  3. Step 3: Cross multiply
    743,010.11x = 1,114,154.64 × 363,486.32
  4. Step 4: Simplify right side
    743,010.11x = 404,979,970,004.53
  5. Step 5: Solve for x
    x = 404,979,970,004.53/743,010.11
  6. Step 6: Final answer
    x = 545,053.11

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.