Home / 1,171,803.03-1,617,073.62-688,412.24

Finding the Fourth Proportional to 1,171,803.03, 1,617,073.62 and 688,412.24

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Solution

The fourth proportional to 1,171,803.03, 1,617,073.62 and 688,412.24 is: 950,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,803.03 : 1,617,073.62 = 688,412.24 : x
  2. Step 2: Convert to fraction form
    1,171,803.03/1,617,073.62 = 688,412.24/x
  3. Step 3: Cross multiply
    1,171,803.03x = 1,617,073.62 × 688,412.24
  4. Step 4: Simplify right side
    1,171,803.03x = 1,113,213,264,903.74
  5. Step 5: Solve for x
    x = 1,113,213,264,903.74/1,171,803.03
  6. Step 6: Final answer
    x = 950,000.33

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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.