Home / 839,816.73-1,159,095.96-495,627.89

Finding the Fourth Proportional to 839,816.73, 1,159,095.96 and 495,627.89

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Solution

The fourth proportional to 839,816.73, 1,159,095.96 and 495,627.89 is: 684,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,816.73 : 1,159,095.96 = 495,627.89 : x
  2. Step 2: Convert to fraction form
    839,816.73/1,159,095.96 = 495,627.89/x
  3. Step 3: Cross multiply
    839,816.73x = 1,159,095.96 × 495,627.89
  4. Step 4: Simplify right side
    839,816.73x = 574,480,279,166.85
  5. Step 5: Solve for x
    x = 574,480,279,166.85/839,816.73
  6. Step 6: Final answer
    x = 684,054.34

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1.5x scale

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.