Home / 931,500.98-1,285,607.49-523,636.41

Finding the Fourth Proportional to 931,500.98, 1,285,607.49 and 523,636.41

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Solution

The fourth proportional to 931,500.98, 1,285,607.49 and 523,636.41 is: 722,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,500.98 : 1,285,607.49 = 523,636.41 : x
  2. Step 2: Convert to fraction form
    931,500.98/1,285,607.49 = 523,636.41/x
  3. Step 3: Cross multiply
    931,500.98x = 1,285,607.49 × 523,636.41
  4. Step 4: Simplify right side
    931,500.98x = 673,190,890,732.71
  5. Step 5: Solve for x
    x = 673,190,890,732.71/931,500.98
  6. Step 6: Final answer
    x = 722,694.78

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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.