Home / 983,419.62-1,357,160.94-547,836.45

Finding the Fourth Proportional to 983,419.62, 1,357,160.94 and 547,836.45

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Solution

The fourth proportional to 983,419.62, 1,357,160.94 and 547,836.45 is: 756,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,419.62 : 1,357,160.94 = 547,836.45 : x
  2. Step 2: Convert to fraction form
    983,419.62/1,357,160.94 = 547,836.45/x
  3. Step 3: Cross multiply
    983,419.62x = 1,357,160.94 × 547,836.45
  4. Step 4: Simplify right side
    983,419.62x = 743,502,231,448.26
  5. Step 5: Solve for x
    x = 743,502,231,448.26/983,419.62
  6. Step 6: Final answer
    x = 756,037.62

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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.