Home / 1,385,635.89-1,910,448.04-1,059,353.25

Finding the Fourth Proportional to 1,385,635.89, 1,910,448.04 and 1,059,353.25

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Solution

The fourth proportional to 1,385,635.89, 1,910,448.04 and 1,059,353.25 is: 1,460,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,635.89 : 1,910,448.04 = 1,059,353.25 : x
  2. Step 2: Convert to fraction form
    1,385,635.89/1,910,448.04 = 1,059,353.25/x
  3. Step 3: Cross multiply
    1,385,635.89x = 1,910,448.04 × 1,059,353.25
  4. Step 4: Simplify right side
    1,385,635.89x = 2,023,839,340,130.13
  5. Step 5: Solve for x
    x = 2,023,839,340,130.13/1,385,635.89
  6. Step 6: Final answer
    x = 1,460,585.25

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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.