Home / 1,585,156.91-2,187,529.01-931,607.50

Finding the Fourth Proportional to 1,585,156.91, 2,187,529.01 and 931,607.50

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Solution

The fourth proportional to 1,585,156.91, 2,187,529.01 and 931,607.50 is: 1,285,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,156.91 : 2,187,529.01 = 931,607.50 : x
  2. Step 2: Convert to fraction form
    1,585,156.91/2,187,529.01 = 931,607.50/x
  3. Step 3: Cross multiply
    1,585,156.91x = 2,187,529.01 × 931,607.50
  4. Step 4: Simplify right side
    1,585,156.91x = 2,037,918,432,183.57
  5. Step 5: Solve for x
    x = 2,037,918,432,183.57/1,585,156.91
  6. Step 6: Final answer
    x = 1,285,625.68

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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.