Home / 476,387.31-714,037.40-191,895.82

Finding the Fourth Proportional to 476,387.31, 714,037.40 and 191,895.82

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Solution

The fourth proportional to 476,387.31, 714,037.40 and 191,895.82 is: 287,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,387.31 : 714,037.40 = 191,895.82 : x
  2. Step 2: Convert to fraction form
    476,387.31/714,037.40 = 191,895.82/x
  3. Step 3: Cross multiply
    476,387.31x = 714,037.40 × 191,895.82
  4. Step 4: Simplify right side
    476,387.31x = 137,020,789,639.10
  5. Step 5: Solve for x
    x = 137,020,789,639.10/476,387.31
  6. Step 6: Final answer
    x = 287,624.77

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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.