Home / 1,155,065.04-1,732,398.84-313,684.56

Finding the Fourth Proportional to 1,155,065.04, 1,732,398.84 and 313,684.56

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Solution

The fourth proportional to 1,155,065.04, 1,732,398.84 and 313,684.56 is: 470,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,065.04 : 1,732,398.84 = 313,684.56 : x
  2. Step 2: Convert to fraction form
    1,155,065.04/1,732,398.84 = 313,684.56/x
  3. Step 3: Cross multiply
    1,155,065.04x = 1,732,398.84 × 313,684.56
  4. Step 4: Simplify right side
    1,155,065.04x = 543,426,767,869.91
  5. Step 5: Solve for x
    x = 543,426,767,869.91/1,155,065.04
  6. Step 6: Final answer
    x = 470,472.87

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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.