Home / 707,651.40-1,061,914.50-286,930.92

Finding the Fourth Proportional to 707,651.40, 1,061,914.50 and 286,930.92

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Solution

The fourth proportional to 707,651.40, 1,061,914.50 and 286,930.92 is: 430,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,651.40 : 1,061,914.50 = 286,930.92 : x
  2. Step 2: Convert to fraction form
    707,651.40/1,061,914.50 = 286,930.92/x
  3. Step 3: Cross multiply
    707,651.40x = 1,061,914.50 × 286,930.92
  4. Step 4: Simplify right side
    707,651.40x = 304,696,104,446.34
  5. Step 5: Solve for x
    x = 304,696,104,446.34/707,651.40
  6. Step 6: Final answer
    x = 430,573.73

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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.