Home / 1,585,155.91-2,187,527.63-931,606.50

Finding the Fourth Proportional to 1,585,155.91, 2,187,527.63 and 931,606.50

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Solution

The fourth proportional to 1,585,155.91, 2,187,527.63 and 931,606.50 is: 1,285,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,155.91 : 2,187,527.63 = 931,606.50 : x
  2. Step 2: Convert to fraction form
    1,585,155.91/2,187,527.63 = 931,606.50/x
  3. Step 3: Cross multiply
    1,585,155.91x = 2,187,527.63 × 931,606.50
  4. Step 4: Simplify right side
    1,585,155.91x = 2,037,914,959,037.60
  5. Step 5: Solve for x
    x = 2,037,914,959,037.60/1,585,155.91
  6. Step 6: Final answer
    x = 1,285,624.30

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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.