Home / 919,225.76-1,268,440.44-574,995.20

Finding the Fourth Proportional to 919,225.76, 1,268,440.44 and 574,995.20

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Solution

The fourth proportional to 919,225.76, 1,268,440.44 and 574,995.20 is: 793,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,225.76 : 1,268,440.44 = 574,995.20 : x
  2. Step 2: Convert to fraction form
    919,225.76/1,268,440.44 = 574,995.20/x
  3. Step 3: Cross multiply
    919,225.76x = 1,268,440.44 × 574,995.20
  4. Step 4: Simplify right side
    919,225.76x = 729,347,164,485.89
  5. Step 5: Solve for x
    x = 729,347,164,485.89/919,225.76
  6. Step 6: Final answer
    x = 793,436.39

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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.