Home / 745,860.48-1,029,257.04-455,957.46

Finding the Fourth Proportional to 745,860.48, 1,029,257.04 and 455,957.46

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Solution

The fourth proportional to 745,860.48, 1,029,257.04 and 455,957.46 is: 629,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,860.48 : 1,029,257.04 = 455,957.46 : x
  2. Step 2: Convert to fraction form
    745,860.48/1,029,257.04 = 455,957.46/x
  3. Step 3: Cross multiply
    745,860.48x = 1,029,257.04 × 455,957.46
  4. Step 4: Simplify right side
    745,860.48x = 469,297,425,645.52
  5. Step 5: Solve for x
    x = 469,297,425,645.52/745,860.48
  6. Step 6: Final answer
    x = 629,202.70

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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.