Home / 840,051-1,159,299.54-477,490.14

Finding the Fourth Proportional to 840,051, 1,159,299.54 and 477,490.14

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Solution

The fourth proportional to 840,051, 1,159,299.54 and 477,490.14 is: 658,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,051 : 1,159,299.54 = 477,490.14 : x
  2. Step 2: Convert to fraction form
    840,051/1,159,299.54 = 477,490.14/x
  3. Step 3: Cross multiply
    840,051x = 1,159,299.54 × 477,490.14
  4. Step 4: Simplify right side
    840,051x = 553,554,099,656.54
  5. Step 5: Solve for x
    x = 553,554,099,656.54/840,051
  6. Step 6: Final answer
    x = 658,952.97

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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.