Home / 832,051.54-1,147,866.45-487,712.92

Finding the Fourth Proportional to 832,051.54, 1,147,866.45 and 487,712.92

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Solution

The fourth proportional to 832,051.54, 1,147,866.45 and 487,712.92 is: 672,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,051.54 : 1,147,866.45 = 487,712.92 : x
  2. Step 2: Convert to fraction form
    832,051.54/1,147,866.45 = 487,712.92/x
  3. Step 3: Cross multiply
    832,051.54x = 1,147,866.45 × 487,712.92
  4. Step 4: Simplify right side
    832,051.54x = 559,829,298,099.53
  5. Step 5: Solve for x
    x = 559,829,298,099.53/832,051.54
  6. Step 6: Final answer
    x = 672,830.07

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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.