Home / 904,516.48-1,356,774.72-343,549.60

Finding the Fourth Proportional to 904,516.48, 1,356,774.72 and 343,549.60

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Solution

The fourth proportional to 904,516.48, 1,356,774.72 and 343,549.60 is: 515,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,516.48 : 1,356,774.72 = 343,549.60 : x
  2. Step 2: Convert to fraction form
    904,516.48/1,356,774.72 = 343,549.60/x
  3. Step 3: Cross multiply
    904,516.48x = 1,356,774.72 × 343,549.60
  4. Step 4: Simplify right side
    904,516.48x = 466,119,412,346.11
  5. Step 5: Solve for x
    x = 466,119,412,346.11/904,516.48
  6. Step 6: Final answer
    x = 515,324.40

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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.