Home / 851,398.96-1,174,939.74-464,211.18

Finding the Fourth Proportional to 851,398.96, 1,174,939.74 and 464,211.18

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Solution

The fourth proportional to 851,398.96, 1,174,939.74 and 464,211.18 is: 640,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,398.96 : 1,174,939.74 = 464,211.18 : x
  2. Step 2: Convert to fraction form
    851,398.96/1,174,939.74 = 464,211.18/x
  3. Step 3: Cross multiply
    851,398.96x = 1,174,939.74 × 464,211.18
  4. Step 4: Simplify right side
    851,398.96x = 545,420,163,134.29
  5. Step 5: Solve for x
    x = 545,420,163,134.29/851,398.96
  6. Step 6: Final answer
    x = 640,616.43

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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.