Home / 477,106.20-715,659.30-412,152.30

Finding the Fourth Proportional to 477,106.20, 715,659.30 and 412,152.30

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Solution

The fourth proportional to 477,106.20, 715,659.30 and 412,152.30 is: 618,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,106.20 : 715,659.30 = 412,152.30 : x
  2. Step 2: Convert to fraction form
    477,106.20/715,659.30 = 412,152.30/x
  3. Step 3: Cross multiply
    477,106.20x = 715,659.30 × 412,152.30
  4. Step 4: Simplify right side
    477,106.20x = 294,960,626,511.39
  5. Step 5: Solve for x
    x = 294,960,626,511.39/477,106.20
  6. Step 6: Final answer
    x = 618,228.45

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Similar ratio
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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.