Home / 2,475,123.24-3,712,688.04-678,022.47

Finding the Fourth Proportional to 2,475,123.24, 3,712,688.04 and 678,022.47

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Solution

The fourth proportional to 2,475,123.24, 3,712,688.04 and 678,022.47 is: 1,017,034.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,123.24 : 3,712,688.04 = 678,022.47 : x
  2. Step 2: Convert to fraction form
    2,475,123.24/3,712,688.04 = 678,022.47/x
  3. Step 3: Cross multiply
    2,475,123.24x = 3,712,688.04 × 678,022.47
  4. Step 4: Simplify right side
    2,475,123.24x = 2,517,285,915,220.26
  5. Step 5: Solve for x
    x = 2,517,285,915,220.26/2,475,123.24
  6. Step 6: Final answer
    x = 1,017,034.58

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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.