Home / 849,104.95-1,171,932.15-486,771.90

Finding the Fourth Proportional to 849,104.95, 1,171,932.15 and 486,771.90

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Solution

The fourth proportional to 849,104.95, 1,171,932.15 and 486,771.90 is: 671,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,104.95 : 1,171,932.15 = 486,771.90 : x
  2. Step 2: Convert to fraction form
    849,104.95/1,171,932.15 = 486,771.90/x
  3. Step 3: Cross multiply
    849,104.95x = 1,171,932.15 × 486,771.90
  4. Step 4: Simplify right side
    849,104.95x = 570,463,639,326.59
  5. Step 5: Solve for x
    x = 570,463,639,326.59/849,104.95
  6. Step 6: Final answer
    x = 671,841.14

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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.