Home / 549,534.76-758,382.17-304,518.85

Finding the Fourth Proportional to 549,534.76, 758,382.17 and 304,518.85

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Solution

The fourth proportional to 549,534.76, 758,382.17 and 304,518.85 is: 420,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,534.76 : 758,382.17 = 304,518.85 : x
  2. Step 2: Convert to fraction form
    549,534.76/758,382.17 = 304,518.85/x
  3. Step 3: Cross multiply
    549,534.76x = 758,382.17 × 304,518.85
  4. Step 4: Simplify right side
    549,534.76x = 230,941,669,039.19
  5. Step 5: Solve for x
    x = 230,941,669,039.19/549,534.76
  6. Step 6: Final answer
    x = 420,249.43

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