Home / 919,268.37-1,268,242.11-570,247.47

Finding the Fourth Proportional to 919,268.37, 1,268,242.11 and 570,247.47

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Solution

The fourth proportional to 919,268.37, 1,268,242.11 and 570,247.47 is: 786,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,268.37 : 1,268,242.11 = 570,247.47 : x
  2. Step 2: Convert to fraction form
    919,268.37/1,268,242.11 = 570,247.47/x
  3. Step 3: Cross multiply
    919,268.37x = 1,268,242.11 × 570,247.47
  4. Step 4: Simplify right side
    919,268.37x = 723,211,854,574.96
  5. Step 5: Solve for x
    x = 723,211,854,574.96/919,268.37
  6. Step 6: Final answer
    x = 786,725.49

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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.