Home / 1,577,118.80-2,365,678.20-512,195.60

Finding the Fourth Proportional to 1,577,118.80, 2,365,678.20 and 512,195.60

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Solution

The fourth proportional to 1,577,118.80, 2,365,678.20 and 512,195.60 is: 768,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,118.80 : 2,365,678.20 = 512,195.60 : x
  2. Step 2: Convert to fraction form
    1,577,118.80/2,365,678.20 = 512,195.60/x
  3. Step 3: Cross multiply
    1,577,118.80x = 2,365,678.20 × 512,195.60
  4. Step 4: Simplify right side
    1,577,118.80x = 1,211,689,965,055.92
  5. Step 5: Solve for x
    x = 1,211,689,965,055.92/1,577,118.80
  6. Step 6: Final answer
    x = 768,293.40

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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.