Home / 672,144.08-927,547.15-366,222.97

Finding the Fourth Proportional to 672,144.08, 927,547.15 and 366,222.97

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Solution

The fourth proportional to 672,144.08, 927,547.15 and 366,222.97 is: 505,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,144.08 : 927,547.15 = 366,222.97 : x
  2. Step 2: Convert to fraction form
    672,144.08/927,547.15 = 366,222.97/x
  3. Step 3: Cross multiply
    672,144.08x = 927,547.15 × 366,222.97
  4. Step 4: Simplify right side
    672,144.08x = 339,689,076,532.75
  5. Step 5: Solve for x
    x = 339,689,076,532.75/672,144.08
  6. Step 6: Final answer
    x = 505,381.34

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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.