Home / 983,169.90-1,356,800.13-553,465.71

Finding the Fourth Proportional to 983,169.90, 1,356,800.13 and 553,465.71

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Solution

The fourth proportional to 983,169.90, 1,356,800.13 and 553,465.71 is: 763,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,169.90 : 1,356,800.13 = 553,465.71 : x
  2. Step 2: Convert to fraction form
    983,169.90/1,356,800.13 = 553,465.71/x
  3. Step 3: Cross multiply
    983,169.90x = 1,356,800.13 × 553,465.71
  4. Step 4: Simplify right side
    983,169.90x = 750,942,349,286.88
  5. Step 5: Solve for x
    x = 750,942,349,286.88/983,169.90
  6. Step 6: Final answer
    x = 763,797.13

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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.