Home / 776,206.80-1,071,137.52-432,031.32

Finding the Fourth Proportional to 776,206.80, 1,071,137.52 and 432,031.32

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Solution

The fourth proportional to 776,206.80, 1,071,137.52 and 432,031.32 is: 596,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,206.80 : 1,071,137.52 = 432,031.32 : x
  2. Step 2: Convert to fraction form
    776,206.80/1,071,137.52 = 432,031.32/x
  3. Step 3: Cross multiply
    776,206.80x = 1,071,137.52 × 432,031.32
  4. Step 4: Simplify right side
    776,206.80x = 462,764,956,667.13
  5. Step 5: Solve for x
    x = 462,764,956,667.13/776,206.80
  6. Step 6: Final answer
    x = 596,187.71

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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.