Home / 1,176,507-1,623,579.64-667,209.36

Finding the Fourth Proportional to 1,176,507, 1,623,579.64 and 667,209.36

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Solution

The fourth proportional to 1,176,507, 1,623,579.64 and 667,209.36 is: 920,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,507 : 1,623,579.64 = 667,209.36 : x
  2. Step 2: Convert to fraction form
    1,176,507/1,623,579.64 = 667,209.36/x
  3. Step 3: Cross multiply
    1,176,507x = 1,623,579.64 × 667,209.36
  4. Step 4: Simplify right side
    1,176,507x = 1,083,267,532,513.43
  5. Step 5: Solve for x
    x = 1,083,267,532,513.43/1,176,507
  6. Step 6: Final answer
    x = 920,748.91

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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.