Home / 558,582.54-770,712.74-316,809.42

Finding the Fourth Proportional to 558,582.54, 770,712.74 and 316,809.42

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Solution

The fourth proportional to 558,582.54, 770,712.74 and 316,809.42 is: 437,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,582.54 : 770,712.74 = 316,809.42 : x
  2. Step 2: Convert to fraction form
    558,582.54/770,712.74 = 316,809.42/x
  3. Step 3: Cross multiply
    558,582.54x = 770,712.74 × 316,809.42
  4. Step 4: Simplify right side
    558,582.54x = 244,169,056,146.01
  5. Step 5: Solve for x
    x = 244,169,056,146.01/558,582.54
  6. Step 6: Final answer
    x = 437,122.61

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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.