Home / 856,705.58-1,182,260.73-474,738.74

Finding the Fourth Proportional to 856,705.58, 1,182,260.73 and 474,738.74

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Solution

The fourth proportional to 856,705.58, 1,182,260.73 and 474,738.74 is: 655,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,705.58 : 1,182,260.73 = 474,738.74 : x
  2. Step 2: Convert to fraction form
    856,705.58/1,182,260.73 = 474,738.74/x
  3. Step 3: Cross multiply
    856,705.58x = 1,182,260.73 × 474,738.74
  4. Step 4: Simplify right side
    856,705.58x = 561,264,969,311.68
  5. Step 5: Solve for x
    x = 561,264,969,311.68/856,705.58
  6. Step 6: Final answer
    x = 655,143.36

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1.5x scale

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.