Home / 556,453.98-767,923.88-314,731.83

Finding the Fourth Proportional to 556,453.98, 767,923.88 and 314,731.83

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Solution

The fourth proportional to 556,453.98, 767,923.88 and 314,731.83 is: 434,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,453.98 : 767,923.88 = 314,731.83 : x
  2. Step 2: Convert to fraction form
    556,453.98/767,923.88 = 314,731.83/x
  3. Step 3: Cross multiply
    556,453.98x = 767,923.88 × 314,731.83
  4. Step 4: Simplify right side
    556,453.98x = 241,690,086,479.44
  5. Step 5: Solve for x
    x = 241,690,086,479.44/556,453.98
  6. Step 6: Final answer
    x = 434,339.76

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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.