Home / 914,913.28-1,261,004-608,441.92

Finding the Fourth Proportional to 914,913.28, 1,261,004 and 608,441.92

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Solution

The fourth proportional to 914,913.28, 1,261,004 and 608,441.92 is: 838,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,913.28 : 1,261,004 = 608,441.92 : x
  2. Step 2: Convert to fraction form
    914,913.28/1,261,004 = 608,441.92/x
  3. Step 3: Cross multiply
    914,913.28x = 1,261,004 × 608,441.92
  4. Step 4: Simplify right side
    914,913.28x = 767,247,694,887.68
  5. Step 5: Solve for x
    x = 767,247,694,887.68/914,913.28
  6. Step 6: Final answer
    x = 838,601.55

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Double scale
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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.