Home / 1,188,369.30-1,640,159.27-705,200.87

Finding the Fourth Proportional to 1,188,369.30, 1,640,159.27 and 705,200.87

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Solution

The fourth proportional to 1,188,369.30, 1,640,159.27 and 705,200.87 is: 973,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,369.30 : 1,640,159.27 = 705,200.87 : x
  2. Step 2: Convert to fraction form
    1,188,369.30/1,640,159.27 = 705,200.87/x
  3. Step 3: Cross multiply
    1,188,369.30x = 1,640,159.27 × 705,200.87
  4. Step 4: Simplify right side
    1,188,369.30x = 1,156,641,732,415.76
  5. Step 5: Solve for x
    x = 1,156,641,732,415.76/1,188,369.30
  6. Step 6: Final answer
    x = 973,301.59

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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.