Home / 1,049,153.16-1,447,701.15-661,821.80

Finding the Fourth Proportional to 1,049,153.16, 1,447,701.15 and 661,821.80

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Solution

The fourth proportional to 1,049,153.16, 1,447,701.15 and 661,821.80 is: 913,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,153.16 : 1,447,701.15 = 661,821.80 : x
  2. Step 2: Convert to fraction form
    1,049,153.16/1,447,701.15 = 661,821.80/x
  3. Step 3: Cross multiply
    1,049,153.16x = 1,447,701.15 × 661,821.80
  4. Step 4: Simplify right side
    1,049,153.16x = 958,120,173,716.56
  5. Step 5: Solve for x
    x = 958,120,173,716.56/1,049,153.16
  6. Step 6: Final answer
    x = 913,231.94

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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.