Home / 516,392.10-774,595.44-137,319.36

Finding the Fourth Proportional to 516,392.10, 774,595.44 and 137,319.36

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Solution

The fourth proportional to 516,392.10, 774,595.44 and 137,319.36 is: 205,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,392.10 : 774,595.44 = 137,319.36 : x
  2. Step 2: Convert to fraction form
    516,392.10/774,595.44 = 137,319.36/x
  3. Step 3: Cross multiply
    516,392.10x = 774,595.44 × 137,319.36
  4. Step 4: Simplify right side
    516,392.10x = 106,366,950,079.72
  5. Step 5: Solve for x
    x = 106,366,950,079.72/516,392.10
  6. Step 6: Final answer
    x = 205,980.98

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Why These Related Problems?

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