Home / 931,690.14-1,285,777.95-523,920.30

Finding the Fourth Proportional to 931,690.14, 1,285,777.95 and 523,920.30

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Solution

The fourth proportional to 931,690.14, 1,285,777.95 and 523,920.30 is: 723,035.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,690.14 : 1,285,777.95 = 523,920.30 : x
  2. Step 2: Convert to fraction form
    931,690.14/1,285,777.95 = 523,920.30/x
  3. Step 3: Cross multiply
    931,690.14x = 1,285,777.95 × 523,920.30
  4. Step 4: Simplify right side
    931,690.14x = 673,645,169,297.39
  5. Step 5: Solve for x
    x = 673,645,169,297.39/931,690.14
  6. Step 6: Final answer
    x = 723,035.63

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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.