Home / 709,716.66-1,059,143.70-633,986.29

Finding the Fourth Proportional to 709,716.66, 1,059,143.70 and 633,986.29

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Solution

The fourth proportional to 709,716.66, 1,059,143.70 and 633,986.29 is: 946,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,716.66 : 1,059,143.70 = 633,986.29 : x
  2. Step 2: Convert to fraction form
    709,716.66/1,059,143.70 = 633,986.29/x
  3. Step 3: Cross multiply
    709,716.66x = 1,059,143.70 × 633,986.29
  4. Step 4: Simplify right side
    709,716.66x = 671,482,584,939.87
  5. Step 5: Solve for x
    x = 671,482,584,939.87/709,716.66
  6. Step 6: Final answer
    x = 946,127.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.