Home / 938,709.96-1,295,411.52-530,892.12

Finding the Fourth Proportional to 938,709.96, 1,295,411.52 and 530,892.12

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Solution

The fourth proportional to 938,709.96, 1,295,411.52 and 530,892.12 is: 732,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,709.96 : 1,295,411.52 = 530,892.12 : x
  2. Step 2: Convert to fraction form
    938,709.96/1,295,411.52 = 530,892.12/x
  3. Step 3: Cross multiply
    938,709.96x = 1,295,411.52 × 530,892.12
  4. Step 4: Simplify right side
    938,709.96x = 687,723,768,125.22
  5. Step 5: Solve for x
    x = 687,723,768,125.22/938,709.96
  6. Step 6: Final answer
    x = 732,626.47

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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.