Home / 983,406.53-1,357,142.87-547,823.35

Finding the Fourth Proportional to 983,406.53, 1,357,142.87 and 547,823.35

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Solution

The fourth proportional to 983,406.53, 1,357,142.87 and 547,823.35 is: 756,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,406.53 : 1,357,142.87 = 547,823.35 : x
  2. Step 2: Convert to fraction form
    983,406.53/1,357,142.87 = 547,823.35/x
  3. Step 3: Cross multiply
    983,406.53x = 1,357,142.87 × 547,823.35
  4. Step 4: Simplify right side
    983,406.53x = 743,474,553,472.02
  5. Step 5: Solve for x
    x = 743,474,553,472.02/983,406.53
  6. Step 6: Final answer
    x = 756,019.54

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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.