Home / 1,553,506.52-2,143,795.52-865,178.14

Finding the Fourth Proportional to 1,553,506.52, 2,143,795.52 and 865,178.14

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Solution

The fourth proportional to 1,553,506.52, 2,143,795.52 and 865,178.14 is: 1,193,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,506.52 : 2,143,795.52 = 865,178.14 : x
  2. Step 2: Convert to fraction form
    1,553,506.52/2,143,795.52 = 865,178.14/x
  3. Step 3: Cross multiply
    1,553,506.52x = 2,143,795.52 × 865,178.14
  4. Step 4: Simplify right side
    1,553,506.52x = 1,854,765,020,533.93
  5. Step 5: Solve for x
    x = 1,854,765,020,533.93/1,553,506.52
  6. Step 6: Final answer
    x = 1,193,921.62

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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.