Home / 1,188,835-1,640,592.14-679,548.32

Finding the Fourth Proportional to 1,188,835, 1,640,592.14 and 679,548.32

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Solution

The fourth proportional to 1,188,835, 1,640,592.14 and 679,548.32 is: 937,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,835 : 1,640,592.14 = 679,548.32 : x
  2. Step 2: Convert to fraction form
    1,188,835/1,640,592.14 = 679,548.32/x
  3. Step 3: Cross multiply
    1,188,835x = 1,640,592.14 × 679,548.32
  4. Step 4: Simplify right side
    1,188,835x = 1,114,861,632,542.20
  5. Step 5: Solve for x
    x = 1,114,861,632,542.20/1,188,835
  6. Step 6: Final answer
    x = 937,776.59

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1.5x scale

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.