Home / 707,221.80-1,059,666.30-606,911.40

Finding the Fourth Proportional to 707,221.80, 1,059,666.30 and 606,911.40

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Solution

The fourth proportional to 707,221.80, 1,059,666.30 and 606,911.40 is: 909,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,221.80 : 1,059,666.30 = 606,911.40 : x
  2. Step 2: Convert to fraction form
    707,221.80/1,059,666.30 = 606,911.40/x
  3. Step 3: Cross multiply
    707,221.80x = 1,059,666.30 × 606,911.40
  4. Step 4: Simplify right side
    707,221.80x = 643,123,557,665.82
  5. Step 5: Solve for x
    x = 643,123,557,665.82/707,221.80
  6. Step 6: Final answer
    x = 909,366.14

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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.