Home / 905,476.37-1,357,203.05-392,549.35

Finding the Fourth Proportional to 905,476.37, 1,357,203.05 and 392,549.35

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Solution

The fourth proportional to 905,476.37, 1,357,203.05 and 392,549.35 is: 588,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,476.37 : 1,357,203.05 = 392,549.35 : x
  2. Step 2: Convert to fraction form
    905,476.37/1,357,203.05 = 392,549.35/x
  3. Step 3: Cross multiply
    905,476.37x = 1,357,203.05 × 392,549.35
  4. Step 4: Simplify right side
    905,476.37x = 532,769,168,309.50
  5. Step 5: Solve for x
    x = 532,769,168,309.50/905,476.37
  6. Step 6: Final answer
    x = 588,385.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.