Home / 913,727.50-1,261,515.81-587,172.94

Finding the Fourth Proportional to 913,727.50, 1,261,515.81 and 587,172.94

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Solution

The fourth proportional to 913,727.50, 1,261,515.81 and 587,172.94 is: 810,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,727.50 : 1,261,515.81 = 587,172.94 : x
  2. Step 2: Convert to fraction form
    913,727.50/1,261,515.81 = 587,172.94/x
  3. Step 3: Cross multiply
    913,727.50x = 1,261,515.81 × 587,172.94
  4. Step 4: Simplify right side
    913,727.50x = 740,727,947,014.18
  5. Step 5: Solve for x
    x = 740,727,947,014.18/913,727.50
  6. Step 6: Final answer
    x = 810,666.14

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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.