Home / 1,577,281.86-2,365,700.45-512,336.79

Finding the Fourth Proportional to 1,577,281.86, 2,365,700.45 and 512,336.79

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Solution

The fourth proportional to 1,577,281.86, 2,365,700.45 and 512,336.79 is: 768,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,281.86 : 2,365,700.45 = 512,336.79 : x
  2. Step 2: Convert to fraction form
    1,577,281.86/2,365,700.45 = 512,336.79/x
  3. Step 3: Cross multiply
    1,577,281.86x = 2,365,700.45 × 512,336.79
  4. Step 4: Simplify right side
    1,577,281.86x = 1,212,035,372,092.87
  5. Step 5: Solve for x
    x = 1,212,035,372,092.87/1,577,281.86
  6. Step 6: Final answer
    x = 768,432.96

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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.