Home / 1,249,819.69-1,724,891.44-705,990.51

Finding the Fourth Proportional to 1,249,819.69, 1,724,891.44 and 705,990.51

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Solution

The fourth proportional to 1,249,819.69, 1,724,891.44 and 705,990.51 is: 974,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,819.69 : 1,724,891.44 = 705,990.51 : x
  2. Step 2: Convert to fraction form
    1,249,819.69/1,724,891.44 = 705,990.51/x
  3. Step 3: Cross multiply
    1,249,819.69x = 1,724,891.44 × 705,990.51
  4. Step 4: Simplify right side
    1,249,819.69x = 1,217,756,982,127.73
  5. Step 5: Solve for x
    x = 1,217,756,982,127.73/1,249,819.69
  6. Step 6: Final answer
    x = 974,346.13

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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.