Home / 1,326,862.80-1,989,115.83-517,059.63

Finding the Fourth Proportional to 1,326,862.80, 1,989,115.83 and 517,059.63

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Solution

The fourth proportional to 1,326,862.80, 1,989,115.83 and 517,059.63 is: 775,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,862.80 : 1,989,115.83 = 517,059.63 : x
  2. Step 2: Convert to fraction form
    1,326,862.80/1,989,115.83 = 517,059.63/x
  3. Step 3: Cross multiply
    1,326,862.80x = 1,989,115.83 × 517,059.63
  4. Step 4: Simplify right side
    1,326,862.80x = 1,028,491,495,086.94
  5. Step 5: Solve for x
    x = 1,028,491,495,086.94/1,326,862.80
  6. Step 6: Final answer
    x = 775,130.25

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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.