Home / 1,223,690.70-1,831,605.55-653,646.41

Finding the Fourth Proportional to 1,223,690.70, 1,831,605.55 and 653,646.41

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Solution

The fourth proportional to 1,223,690.70, 1,831,605.55 and 653,646.41 is: 978,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,690.70 : 1,831,605.55 = 653,646.41 : x
  2. Step 2: Convert to fraction form
    1,223,690.70/1,831,605.55 = 653,646.41/x
  3. Step 3: Cross multiply
    1,223,690.70x = 1,831,605.55 × 653,646.41
  4. Step 4: Simplify right side
    1,223,690.70x = 1,197,222,381,501.43
  5. Step 5: Solve for x
    x = 1,197,222,381,501.43/1,223,690.70
  6. Step 6: Final answer
    x = 978,370.09

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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.