Home / 1,585,154.91-2,187,526.25-931,605.50

Finding the Fourth Proportional to 1,585,154.91, 2,187,526.25 and 931,605.50

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Solution

The fourth proportional to 1,585,154.91, 2,187,526.25 and 931,605.50 is: 1,285,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,154.91 : 2,187,526.25 = 931,605.50 : x
  2. Step 2: Convert to fraction form
    1,585,154.91/2,187,526.25 = 931,605.50/x
  3. Step 3: Cross multiply
    1,585,154.91x = 2,187,526.25 × 931,605.50
  4. Step 4: Simplify right side
    1,585,154.91x = 2,037,911,488,451.92
  5. Step 5: Solve for x
    x = 2,037,911,488,451.92/1,585,154.91
  6. Step 6: Final answer
    x = 1,285,622.92

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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.