Home / 808,049.40-1,212,074.10-524,614.20

Finding the Fourth Proportional to 808,049.40, 1,212,074.10 and 524,614.20

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Solution

The fourth proportional to 808,049.40, 1,212,074.10 and 524,614.20 is: 786,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,049.40 : 1,212,074.10 = 524,614.20 : x
  2. Step 2: Convert to fraction form
    808,049.40/1,212,074.10 = 524,614.20/x
  3. Step 3: Cross multiply
    808,049.40x = 1,212,074.10 × 524,614.20
  4. Step 4: Simplify right side
    808,049.40x = 635,871,284,312.22
  5. Step 5: Solve for x
    x = 635,871,284,312.22/808,049.40
  6. Step 6: Final answer
    x = 786,921.30

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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.