Home / 849,109.32-1,171,770.86-467,127.90

Finding the Fourth Proportional to 849,109.32, 1,171,770.86 and 467,127.90

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Solution

The fourth proportional to 849,109.32, 1,171,770.86 and 467,127.90 is: 644,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,109.32 : 1,171,770.86 = 467,127.90 : x
  2. Step 2: Convert to fraction form
    849,109.32/1,171,770.86 = 467,127.90/x
  3. Step 3: Cross multiply
    849,109.32x = 1,171,770.86 × 467,127.90
  4. Step 4: Simplify right side
    849,109.32x = 547,366,858,777.36
  5. Step 5: Solve for x
    x = 547,366,858,777.36/849,109.32
  6. Step 6: Final answer
    x = 644,636.50

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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.