Home / 1,008,127.62-1,391,211.81-549,240.75

Finding the Fourth Proportional to 1,008,127.62, 1,391,211.81 and 549,240.75

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Solution

The fourth proportional to 1,008,127.62, 1,391,211.81 and 549,240.75 is: 757,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,127.62 : 1,391,211.81 = 549,240.75 : x
  2. Step 2: Convert to fraction form
    1,008,127.62/1,391,211.81 = 549,240.75/x
  3. Step 3: Cross multiply
    1,008,127.62x = 1,391,211.81 × 549,240.75
  4. Step 4: Simplify right side
    1,008,127.62x = 764,110,217,933.26
  5. Step 5: Solve for x
    x = 764,110,217,933.26/1,008,127.62
  6. Step 6: Final answer
    x = 757,949.89

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Double scale
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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.