Home / 1,338,511.52-1,847,184.40-757,689.76

Finding the Fourth Proportional to 1,338,511.52, 1,847,184.40 and 757,689.76

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Solution

The fourth proportional to 1,338,511.52, 1,847,184.40 and 757,689.76 is: 1,045,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,511.52 : 1,847,184.40 = 757,689.76 : x
  2. Step 2: Convert to fraction form
    1,338,511.52/1,847,184.40 = 757,689.76/x
  3. Step 3: Cross multiply
    1,338,511.52x = 1,847,184.40 × 757,689.76
  4. Step 4: Simplify right side
    1,338,511.52x = 1,399,592,704,711.74
  5. Step 5: Solve for x
    x = 1,399,592,704,711.74/1,338,511.52
  6. Step 6: Final answer
    x = 1,045,633.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.