Home / 1,681,470.11-2,522,134.58-782,602.67

Finding the Fourth Proportional to 1,681,470.11, 2,522,134.58 and 782,602.67

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Solution

The fourth proportional to 1,681,470.11, 2,522,134.58 and 782,602.67 is: 1,173,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,470.11 : 2,522,134.58 = 782,602.67 : x
  2. Step 2: Convert to fraction form
    1,681,470.11/2,522,134.58 = 782,602.67/x
  3. Step 3: Cross multiply
    1,681,470.11x = 2,522,134.58 × 782,602.67
  4. Step 4: Simplify right side
    1,681,470.11x = 1,973,829,239,883.64
  5. Step 5: Solve for x
    x = 1,973,829,239,883.64/1,681,470.11
  6. Step 6: Final answer
    x = 1,173,871.15

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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.