Home / 763,900.04-1,054,209.66-441,711.20

Finding the Fourth Proportional to 763,900.04, 1,054,209.66 and 441,711.20

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Solution

The fourth proportional to 763,900.04, 1,054,209.66 and 441,711.20 is: 609,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,900.04 : 1,054,209.66 = 441,711.20 : x
  2. Step 2: Convert to fraction form
    763,900.04/1,054,209.66 = 441,711.20/x
  3. Step 3: Cross multiply
    763,900.04x = 1,054,209.66 × 441,711.20
  4. Step 4: Simplify right side
    763,900.04x = 465,656,213,970.19
  5. Step 5: Solve for x
    x = 465,656,213,970.19/763,900.04
  6. Step 6: Final answer
    x = 609,577.42

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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.