Home / 851,124.24-1,174,551.17-469,157.40

Finding the Fourth Proportional to 851,124.24, 1,174,551.17 and 469,157.40

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Solution

The fourth proportional to 851,124.24, 1,174,551.17 and 469,157.40 is: 647,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,124.24 : 1,174,551.17 = 469,157.40 : x
  2. Step 2: Convert to fraction form
    851,124.24/1,174,551.17 = 469,157.40/x
  3. Step 3: Cross multiply
    851,124.24x = 1,174,551.17 × 469,157.40
  4. Step 4: Simplify right side
    851,124.24x = 551,049,370,738.37
  5. Step 5: Solve for x
    x = 551,049,370,738.37/851,124.24
  6. Step 6: Final answer
    x = 647,437.05

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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.