Home / 839,865.34-1,159,020.96-457,894.90

Finding the Fourth Proportional to 839,865.34, 1,159,020.96 and 457,894.90

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Solution

The fourth proportional to 839,865.34, 1,159,020.96 and 457,894.90 is: 631,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,865.34 : 1,159,020.96 = 457,894.90 : x
  2. Step 2: Convert to fraction form
    839,865.34/1,159,020.96 = 457,894.90/x
  3. Step 3: Cross multiply
    839,865.34x = 1,159,020.96 × 457,894.90
  4. Step 4: Simplify right side
    839,865.34x = 530,709,786,577.10
  5. Step 5: Solve for x
    x = 530,709,786,577.10/839,865.34
  6. Step 6: Final answer
    x = 631,898.66

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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.