Home / 1,232,410.69-1,700,715.22-688,640.19

Finding the Fourth Proportional to 1,232,410.69, 1,700,715.22 and 688,640.19

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Solution

The fourth proportional to 1,232,410.69, 1,700,715.22 and 688,640.19 is: 950,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,410.69 : 1,700,715.22 = 688,640.19 : x
  2. Step 2: Convert to fraction form
    1,232,410.69/1,700,715.22 = 688,640.19/x
  3. Step 3: Cross multiply
    1,232,410.69x = 1,700,715.22 × 688,640.19
  4. Step 4: Simplify right side
    1,232,410.69x = 1,171,180,852,236.69
  5. Step 5: Solve for x
    x = 1,171,180,852,236.69/1,232,410.69
  6. Step 6: Final answer
    x = 950,317.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.