Home / 1,001,476.70-1,502,342.39-318,119.77

Finding the Fourth Proportional to 1,001,476.70, 1,502,342.39 and 318,119.77

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Solution

The fourth proportional to 1,001,476.70, 1,502,342.39 and 318,119.77 is: 477,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,476.70 : 1,502,342.39 = 318,119.77 : x
  2. Step 2: Convert to fraction form
    1,001,476.70/1,502,342.39 = 318,119.77/x
  3. Step 3: Cross multiply
    1,001,476.70x = 1,502,342.39 × 318,119.77
  4. Step 4: Simplify right side
    1,001,476.70x = 477,924,815,568.05
  5. Step 5: Solve for x
    x = 477,924,815,568.05/1,001,476.70
  6. Step 6: Final answer
    x = 477,220.10

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Double scale
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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.