Home / 856,263.50-1,181,643.72-474,315.02

Finding the Fourth Proportional to 856,263.50, 1,181,643.72 and 474,315.02

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Solution

The fourth proportional to 856,263.50, 1,181,643.72 and 474,315.02 is: 654,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,263.50 : 1,181,643.72 = 474,315.02 : x
  2. Step 2: Convert to fraction form
    856,263.50/1,181,643.72 = 474,315.02/x
  3. Step 3: Cross multiply
    856,263.50x = 1,181,643.72 × 474,315.02
  4. Step 4: Simplify right side
    856,263.50x = 560,471,364,684.67
  5. Step 5: Solve for x
    x = 560,471,364,684.67/856,263.50
  6. Step 6: Final answer
    x = 654,554.78

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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.