Home / 1,298,695.38-1,948,463.56-624,688.97

Finding the Fourth Proportional to 1,298,695.38, 1,948,463.56 and 624,688.97

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Solution

The fourth proportional to 1,298,695.38, 1,948,463.56 and 624,688.97 is: 937,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,695.38 : 1,948,463.56 = 624,688.97 : x
  2. Step 2: Convert to fraction form
    1,298,695.38/1,948,463.56 = 624,688.97/x
  3. Step 3: Cross multiply
    1,298,695.38x = 1,948,463.56 × 624,688.97
  4. Step 4: Simplify right side
    1,298,695.38x = 1,217,183,697,688.37
  5. Step 5: Solve for x
    x = 1,217,183,697,688.37/1,298,695.38
  6. Step 6: Final answer
    x = 937,235.72

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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.