Home / 712,811.20-1,067,726.40-334,055.20

Finding the Fourth Proportional to 712,811.20, 1,067,726.40 and 334,055.20

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Solution

The fourth proportional to 712,811.20, 1,067,726.40 and 334,055.20 is: 500,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,811.20 : 1,067,726.40 = 334,055.20 : x
  2. Step 2: Convert to fraction form
    712,811.20/1,067,726.40 = 334,055.20/x
  3. Step 3: Cross multiply
    712,811.20x = 1,067,726.40 × 334,055.20
  4. Step 4: Simplify right side
    712,811.20x = 356,679,556,097.28
  5. Step 5: Solve for x
    x = 356,679,556,097.28/712,811.20
  6. Step 6: Final answer
    x = 500,384.33

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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.