Home / 691,265.10-1,036,897.65-192,629.10

Finding the Fourth Proportional to 691,265.10, 1,036,897.65 and 192,629.10

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Solution

The fourth proportional to 691,265.10, 1,036,897.65 and 192,629.10 is: 288,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,265.10 : 1,036,897.65 = 192,629.10 : x
  2. Step 2: Convert to fraction form
    691,265.10/1,036,897.65 = 192,629.10/x
  3. Step 3: Cross multiply
    691,265.10x = 1,036,897.65 × 192,629.10
  4. Step 4: Simplify right side
    691,265.10x = 199,736,661,111.62
  5. Step 5: Solve for x
    x = 199,736,661,111.62/691,265.10
  6. Step 6: Final answer
    x = 288,943.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.