Home / 683,412.60-1,025,118.90-644,705.40

Finding the Fourth Proportional to 683,412.60, 1,025,118.90 and 644,705.40

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Solution

The fourth proportional to 683,412.60, 1,025,118.90 and 644,705.40 is: 967,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,412.60 : 1,025,118.90 = 644,705.40 : x
  2. Step 2: Convert to fraction form
    683,412.60/1,025,118.90 = 644,705.40/x
  3. Step 3: Cross multiply
    683,412.60x = 1,025,118.90 × 644,705.40
  4. Step 4: Simplify right side
    683,412.60x = 660,899,690,472.06
  5. Step 5: Solve for x
    x = 660,899,690,472.06/683,412.60
  6. Step 6: Final answer
    x = 967,058.10

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