Home / 736,923.20-1,105,384.80-263,645.60

Finding the Fourth Proportional to 736,923.20, 1,105,384.80 and 263,645.60

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Solution

The fourth proportional to 736,923.20, 1,105,384.80 and 263,645.60 is: 395,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,923.20 : 1,105,384.80 = 263,645.60 : x
  2. Step 2: Convert to fraction form
    736,923.20/1,105,384.80 = 263,645.60/x
  3. Step 3: Cross multiply
    736,923.20x = 1,105,384.80 × 263,645.60
  4. Step 4: Simplify right side
    736,923.20x = 291,429,838,826.88
  5. Step 5: Solve for x
    x = 291,429,838,826.88/736,923.20
  6. Step 6: Final answer
    x = 395,468.40

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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.