Home / 1,527,679.36-2,108,203.50-839,407

Finding the Fourth Proportional to 1,527,679.36, 2,108,203.50 and 839,407

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Solution

The fourth proportional to 1,527,679.36, 2,108,203.50 and 839,407 is: 1,158,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,679.36 : 2,108,203.50 = 839,407 : x
  2. Step 2: Convert to fraction form
    1,527,679.36/2,108,203.50 = 839,407/x
  3. Step 3: Cross multiply
    1,527,679.36x = 2,108,203.50 × 839,407
  4. Step 4: Simplify right side
    1,527,679.36x = 1,769,640,775,324.50
  5. Step 5: Solve for x
    x = 1,769,640,775,324.50/1,527,679.36
  6. Step 6: Final answer
    x = 1,158,384.95

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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.