Home / 919,640.60-1,268,385.06-597,454.48

Finding the Fourth Proportional to 919,640.60, 1,268,385.06 and 597,454.48

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Solution

The fourth proportional to 919,640.60, 1,268,385.06 and 597,454.48 is: 824,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,640.60 : 1,268,385.06 = 597,454.48 : x
  2. Step 2: Convert to fraction form
    919,640.60/1,268,385.06 = 597,454.48/x
  3. Step 3: Cross multiply
    919,640.60x = 1,268,385.06 × 597,454.48
  4. Step 4: Simplify right side
    919,640.60x = 757,802,336,462.07
  5. Step 5: Solve for x
    x = 757,802,336,462.07/919,640.60
  6. Step 6: Final answer
    x = 824,020.10

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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.