Home / 1,298,695.57-1,948,463.84-624,689.16

Finding the Fourth Proportional to 1,298,695.57, 1,948,463.84 and 624,689.16

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Solution

The fourth proportional to 1,298,695.57, 1,948,463.84 and 624,689.16 is: 937,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,695.57 : 1,948,463.84 = 624,689.16 : x
  2. Step 2: Convert to fraction form
    1,298,695.57/1,948,463.84 = 624,689.16/x
  3. Step 3: Cross multiply
    1,298,695.57x = 1,948,463.84 × 624,689.16
  4. Step 4: Simplify right side
    1,298,695.57x = 1,217,184,243,683.27
  5. Step 5: Solve for x
    x = 1,217,184,243,683.27/1,298,695.57
  6. Step 6: Final answer
    x = 937,236.00

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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.