Home / 1,197,519.29-1,652,329.92-688,123.25

Finding the Fourth Proportional to 1,197,519.29, 1,652,329.92 and 688,123.25

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Solution

The fourth proportional to 1,197,519.29, 1,652,329.92 and 688,123.25 is: 949,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,519.29 : 1,652,329.92 = 688,123.25 : x
  2. Step 2: Convert to fraction form
    1,197,519.29/1,652,329.92 = 688,123.25/x
  3. Step 3: Cross multiply
    1,197,519.29x = 1,652,329.92 × 688,123.25
  4. Step 4: Simplify right side
    1,197,519.29x = 1,137,006,626,360.99
  5. Step 5: Solve for x
    x = 1,137,006,626,360.99/1,197,519.29
  6. Step 6: Final answer
    x = 949,468.32

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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.