Home / 803,519.76-1,108,870.88-440,977.35

Finding the Fourth Proportional to 803,519.76, 1,108,870.88 and 440,977.35

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Solution

The fourth proportional to 803,519.76, 1,108,870.88 and 440,977.35 is: 608,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,519.76 : 1,108,870.88 = 440,977.35 : x
  2. Step 2: Convert to fraction form
    803,519.76/1,108,870.88 = 440,977.35/x
  3. Step 3: Cross multiply
    803,519.76x = 1,108,870.88 × 440,977.35
  4. Step 4: Simplify right side
    803,519.76x = 488,986,942,154.57
  5. Step 5: Solve for x
    x = 488,986,942,154.57/803,519.76
  6. Step 6: Final answer
    x = 608,556.21

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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.