Home / 555,784.91-766,983.69-301,136.09

Finding the Fourth Proportional to 555,784.91, 766,983.69 and 301,136.09

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Solution

The fourth proportional to 555,784.91, 766,983.69 and 301,136.09 is: 415,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,784.91 : 766,983.69 = 301,136.09 : x
  2. Step 2: Convert to fraction form
    555,784.91/766,983.69 = 301,136.09/x
  3. Step 3: Cross multiply
    555,784.91x = 766,983.69 × 301,136.09
  4. Step 4: Simplify right side
    555,784.91x = 230,966,467,994.69
  5. Step 5: Solve for x
    x = 230,966,467,994.69/555,784.91
  6. Step 6: Final answer
    x = 415,568.08

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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.