Home / 3,119,072.76-4,304,039.55-1,742,296.12

Finding the Fourth Proportional to 3,119,072.76, 4,304,039.55 and 1,742,296.12

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Solution

The fourth proportional to 3,119,072.76, 4,304,039.55 and 1,742,296.12 is: 2,404,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,072.76 : 4,304,039.55 = 1,742,296.12 : x
  2. Step 2: Convert to fraction form
    3,119,072.76/4,304,039.55 = 1,742,296.12/x
  3. Step 3: Cross multiply
    3,119,072.76x = 4,304,039.55 × 1,742,296.12
  4. Step 4: Simplify right side
    3,119,072.76x = 7,498,911,408,291.55
  5. Step 5: Solve for x
    x = 7,498,911,408,291.55/3,119,072.76
  6. Step 6: Final answer
    x = 2,404,211.76

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1.5x scale

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.