Home / 1,313,595.04-1,812,760.68-709,983.04

Finding the Fourth Proportional to 1,313,595.04, 1,812,760.68 and 709,983.04

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Solution

The fourth proportional to 1,313,595.04, 1,812,760.68 and 709,983.04 is: 979,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,595.04 : 1,812,760.68 = 709,983.04 : x
  2. Step 2: Convert to fraction form
    1,313,595.04/1,812,760.68 = 709,983.04/x
  3. Step 3: Cross multiply
    1,313,595.04x = 1,812,760.68 × 709,983.04
  4. Step 4: Simplify right side
    1,313,595.04x = 1,287,029,338,378.87
  5. Step 5: Solve for x
    x = 1,287,029,338,378.87/1,313,595.04
  6. Step 6: Final answer
    x = 979,776.34

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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.