Home / 683,507.93-943,269.59-393,119.57

Finding the Fourth Proportional to 683,507.93, 943,269.59 and 393,119.57

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Solution

The fourth proportional to 683,507.93, 943,269.59 and 393,119.57 is: 542,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,507.93 : 943,269.59 = 393,119.57 : x
  2. Step 2: Convert to fraction form
    683,507.93/943,269.59 = 393,119.57/x
  3. Step 3: Cross multiply
    683,507.93x = 943,269.59 × 393,119.57
  4. Step 4: Simplify right side
    683,507.93x = 370,817,738,955.85
  5. Step 5: Solve for x
    x = 370,817,738,955.85/683,507.93
  6. Step 6: Final answer
    x = 542,521.49

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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.