Home / 825,929.53-1,238,631.84-561,390.01

Finding the Fourth Proportional to 825,929.53, 1,238,631.84 and 561,390.01

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Solution

The fourth proportional to 825,929.53, 1,238,631.84 and 561,390.01 is: 841,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,929.53 : 1,238,631.84 = 561,390.01 : x
  2. Step 2: Convert to fraction form
    825,929.53/1,238,631.84 = 561,390.01/x
  3. Step 3: Cross multiply
    825,929.53x = 1,238,631.84 × 561,390.01
  4. Step 4: Simplify right side
    825,929.53x = 695,355,537,947.34
  5. Step 5: Solve for x
    x = 695,355,537,947.34/825,929.53
  6. Step 6: Final answer
    x = 841,906.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.