Home / 1,734,665.40-2,602,451.70-669,742.20

Finding the Fourth Proportional to 1,734,665.40, 2,602,451.70 and 669,742.20

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Solution

The fourth proportional to 1,734,665.40, 2,602,451.70 and 669,742.20 is: 1,004,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,665.40 : 2,602,451.70 = 669,742.20 : x
  2. Step 2: Convert to fraction form
    1,734,665.40/2,602,451.70 = 669,742.20/x
  3. Step 3: Cross multiply
    1,734,665.40x = 2,602,451.70 × 669,742.20
  4. Step 4: Simplify right side
    1,734,665.40x = 1,742,971,726,951.74
  5. Step 5: Solve for x
    x = 1,742,971,726,951.74/1,734,665.40
  6. Step 6: Final answer
    x = 1,004,788.43

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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.