Home / 866,975.10-1,196,462.25-535,904.61

Finding the Fourth Proportional to 866,975.10, 1,196,462.25 and 535,904.61

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Solution

The fourth proportional to 866,975.10, 1,196,462.25 and 535,904.61 is: 739,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,975.10 : 1,196,462.25 = 535,904.61 : x
  2. Step 2: Convert to fraction form
    866,975.10/1,196,462.25 = 535,904.61/x
  3. Step 3: Cross multiply
    866,975.10x = 1,196,462.25 × 535,904.61
  4. Step 4: Simplify right side
    866,975.10x = 641,189,635,465.97
  5. Step 5: Solve for x
    x = 641,189,635,465.97/866,975.10
  6. Step 6: Final answer
    x = 739,570.99

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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.