Home / 1,577,235.80-2,365,853.70-512,312.60

Finding the Fourth Proportional to 1,577,235.80, 2,365,853.70 and 512,312.60

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Solution

The fourth proportional to 1,577,235.80, 2,365,853.70 and 512,312.60 is: 768,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,235.80 : 2,365,853.70 = 512,312.60 : x
  2. Step 2: Convert to fraction form
    1,577,235.80/2,365,853.70 = 512,312.60/x
  3. Step 3: Cross multiply
    1,577,235.80x = 2,365,853.70 × 512,312.60
  4. Step 4: Simplify right side
    1,577,235.80x = 1,212,056,660,266.62
  5. Step 5: Solve for x
    x = 1,212,056,660,266.62/1,577,235.80
  6. Step 6: Final answer
    x = 768,468.90

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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.