Home / 1,529,166.60-2,292,437.70-781,212.60

Finding the Fourth Proportional to 1,529,166.60, 2,292,437.70 and 781,212.60

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Solution

The fourth proportional to 1,529,166.60, 2,292,437.70 and 781,212.60 is: 1,171,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,166.60 : 2,292,437.70 = 781,212.60 : x
  2. Step 2: Convert to fraction form
    1,529,166.60/2,292,437.70 = 781,212.60/x
  3. Step 3: Cross multiply
    1,529,166.60x = 2,292,437.70 × 781,212.60
  4. Step 4: Simplify right side
    1,529,166.60x = 1,790,881,215,955.02
  5. Step 5: Solve for x
    x = 1,790,881,215,955.02/1,529,166.60
  6. Step 6: Final answer
    x = 1,171,148.53

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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.