Home / 1,684,509.75-2,525,248.31-619,324.11

Finding the Fourth Proportional to 1,684,509.75, 2,525,248.31 and 619,324.11

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Solution

The fourth proportional to 1,684,509.75, 2,525,248.31 and 619,324.11 is: 928,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,509.75 : 2,525,248.31 = 619,324.11 : x
  2. Step 2: Convert to fraction form
    1,684,509.75/2,525,248.31 = 619,324.11/x
  3. Step 3: Cross multiply
    1,684,509.75x = 2,525,248.31 × 619,324.11
  4. Step 4: Simplify right side
    1,684,509.75x = 1,563,947,159,023.13
  5. Step 5: Solve for x
    x = 1,563,947,159,023.13/1,684,509.75
  6. Step 6: Final answer
    x = 928,428.68

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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.