Home / 938,711.58-1,295,447.46-530,874.41

Finding the Fourth Proportional to 938,711.58, 1,295,447.46 and 530,874.41

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Solution

The fourth proportional to 938,711.58, 1,295,447.46 and 530,874.41 is: 732,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,711.58 : 1,295,447.46 = 530,874.41 : x
  2. Step 2: Convert to fraction form
    938,711.58/1,295,447.46 = 530,874.41/x
  3. Step 3: Cross multiply
    938,711.58x = 1,295,447.46 × 530,874.41
  4. Step 4: Simplify right side
    938,711.58x = 687,719,899,536.26
  5. Step 5: Solve for x
    x = 687,719,899,536.26/938,711.58
  6. Step 6: Final answer
    x = 732,621.09

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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.