Home / 1,001,665.72-1,502,476.66-243,511.18

Finding the Fourth Proportional to 1,001,665.72, 1,502,476.66 and 243,511.18

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Solution

The fourth proportional to 1,001,665.72, 1,502,476.66 and 243,511.18 is: 365,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,665.72 : 1,502,476.66 = 243,511.18 : x
  2. Step 2: Convert to fraction form
    1,001,665.72/1,502,476.66 = 243,511.18/x
  3. Step 3: Cross multiply
    1,001,665.72x = 1,502,476.66 × 243,511.18
  4. Step 4: Simplify right side
    1,001,665.72x = 365,869,864,399.06
  5. Step 5: Solve for x
    x = 365,869,864,399.06/1,001,665.72
  6. Step 6: Final answer
    x = 365,261.44

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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.