Home / 1,188,363.34-1,640,151.06-705,194.89

Finding the Fourth Proportional to 1,188,363.34, 1,640,151.06 and 705,194.89

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Solution

The fourth proportional to 1,188,363.34, 1,640,151.06 and 705,194.89 is: 973,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,363.34 : 1,640,151.06 = 705,194.89 : x
  2. Step 2: Convert to fraction form
    1,188,363.34/1,640,151.06 = 705,194.89/x
  3. Step 3: Cross multiply
    1,188,363.34x = 1,640,151.06 × 705,194.89
  4. Step 4: Simplify right side
    1,188,363.34x = 1,156,626,146,340.08
  5. Step 5: Solve for x
    x = 1,156,626,146,340.08/1,188,363.34
  6. Step 6: Final answer
    x = 973,293.36

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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.