Home / 931,098.60-1,394,315.10-613,837.80

Finding the Fourth Proportional to 931,098.60, 1,394,315.10 and 613,837.80

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Solution

The fourth proportional to 931,098.60, 1,394,315.10 and 613,837.80 is: 919,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,098.60 : 1,394,315.10 = 613,837.80 : x
  2. Step 2: Convert to fraction form
    931,098.60/1,394,315.10 = 613,837.80/x
  3. Step 3: Cross multiply
    931,098.60x = 1,394,315.10 × 613,837.80
  4. Step 4: Simplify right side
    931,098.60x = 855,883,313,490.78
  5. Step 5: Solve for x
    x = 855,883,313,490.78/931,098.60
  6. Step 6: Final answer
    x = 919,218.77

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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.