Home / 734,187.12-1,099,508.40-417,684.48

Finding the Fourth Proportional to 734,187.12, 1,099,508.40 and 417,684.48

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Solution

The fourth proportional to 734,187.12, 1,099,508.40 and 417,684.48 is: 625,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,187.12 : 1,099,508.40 = 417,684.48 : x
  2. Step 2: Convert to fraction form
    734,187.12/1,099,508.40 = 417,684.48/x
  3. Step 3: Cross multiply
    734,187.12x = 1,099,508.40 × 417,684.48
  4. Step 4: Simplify right side
    734,187.12x = 459,247,594,309.63
  5. Step 5: Solve for x
    x = 459,247,594,309.63/734,187.12
  6. Step 6: Final answer
    x = 625,518.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.