Home / 1,865,777.95-2,798,682.50-518,045.65

Finding the Fourth Proportional to 1,865,777.95, 2,798,682.50 and 518,045.65

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Solution

The fourth proportional to 1,865,777.95, 2,798,682.50 and 518,045.65 is: 777,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,777.95 : 2,798,682.50 = 518,045.65 : x
  2. Step 2: Convert to fraction form
    1,865,777.95/2,798,682.50 = 518,045.65/x
  3. Step 3: Cross multiply
    1,865,777.95x = 2,798,682.50 × 518,045.65
  4. Step 4: Simplify right side
    1,865,777.95x = 1,449,845,306,549.55
  5. Step 5: Solve for x
    x = 1,449,845,306,549.55/1,865,777.95
  6. Step 6: Final answer
    x = 777,072.81

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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.