Home / 1,318,838.23-1,974,700.39-862,297.19

Finding the Fourth Proportional to 1,318,838.23, 1,974,700.39 and 862,297.19

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Solution

The fourth proportional to 1,318,838.23, 1,974,700.39 and 862,297.19 is: 1,291,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,838.23 : 1,974,700.39 = 862,297.19 : x
  2. Step 2: Convert to fraction form
    1,318,838.23/1,974,700.39 = 862,297.19/x
  3. Step 3: Cross multiply
    1,318,838.23x = 1,974,700.39 × 862,297.19
  4. Step 4: Simplify right side
    1,318,838.23x = 1,702,778,607,914.49
  5. Step 5: Solve for x
    x = 1,702,778,607,914.49/1,318,838.23
  6. Step 6: Final answer
    x = 1,291,120.15

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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.