Home / 986,164.36-1,478,125.36-417,190.34

Finding the Fourth Proportional to 986,164.36, 1,478,125.36 and 417,190.34

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Solution

The fourth proportional to 986,164.36, 1,478,125.36 and 417,190.34 is: 625,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,164.36 : 1,478,125.36 = 417,190.34 : x
  2. Step 2: Convert to fraction form
    986,164.36/1,478,125.36 = 417,190.34/x
  3. Step 3: Cross multiply
    986,164.36x = 1,478,125.36 × 417,190.34
  4. Step 4: Simplify right side
    986,164.36x = 616,659,619,415.07
  5. Step 5: Solve for x
    x = 616,659,619,415.07/986,164.36
  6. Step 6: Final answer
    x = 625,311.20

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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.