Home / 968,866.56-1,336,278.40-629,444.16

Finding the Fourth Proportional to 968,866.56, 1,336,278.40 and 629,444.16

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Solution

The fourth proportional to 968,866.56, 1,336,278.40 and 629,444.16 is: 868,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,866.56 : 1,336,278.40 = 629,444.16 : x
  2. Step 2: Convert to fraction form
    968,866.56/1,336,278.40 = 629,444.16/x
  3. Step 3: Cross multiply
    968,866.56x = 1,336,278.40 × 629,444.16
  4. Step 4: Simplify right side
    968,866.56x = 841,112,635,014.14
  5. Step 5: Solve for x
    x = 841,112,635,014.14/968,866.56
  6. Step 6: Final answer
    x = 868,140.85

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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.