Home / 866,529.54-1,300,432.83-411,122.46

Finding the Fourth Proportional to 866,529.54, 1,300,432.83 and 411,122.46

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Solution

The fourth proportional to 866,529.54, 1,300,432.83 and 411,122.46 is: 616,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,529.54 : 1,300,432.83 = 411,122.46 : x
  2. Step 2: Convert to fraction form
    866,529.54/1,300,432.83 = 411,122.46/x
  3. Step 3: Cross multiply
    866,529.54x = 1,300,432.83 × 411,122.46
  4. Step 4: Simplify right side
    866,529.54x = 534,637,144,134.36
  5. Step 5: Solve for x
    x = 534,637,144,134.36/866,529.54
  6. Step 6: Final answer
    x = 616,986.63

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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.