Home / 859,312.59-1,289,560.49-298,347.15

Finding the Fourth Proportional to 859,312.59, 1,289,560.49 and 298,347.15

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Solution

The fourth proportional to 859,312.59, 1,289,560.49 and 298,347.15 is: 447,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,312.59 : 1,289,560.49 = 298,347.15 : x
  2. Step 2: Convert to fraction form
    859,312.59/1,289,560.49 = 298,347.15/x
  3. Step 3: Cross multiply
    859,312.59x = 1,289,560.49 × 298,347.15
  4. Step 4: Simplify right side
    859,312.59x = 384,736,695,452.37
  5. Step 5: Solve for x
    x = 384,736,695,452.37/859,312.59
  6. Step 6: Final answer
    x = 447,726.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.