Home / 1,574,645.76-2,362,343.40-509,687.70

Finding the Fourth Proportional to 1,574,645.76, 2,362,343.40 and 509,687.70

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Solution

The fourth proportional to 1,574,645.76, 2,362,343.40 and 509,687.70 is: 764,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,645.76 : 2,362,343.40 = 509,687.70 : x
  2. Step 2: Convert to fraction form
    1,574,645.76/2,362,343.40 = 509,687.70/x
  3. Step 3: Cross multiply
    1,574,645.76x = 2,362,343.40 × 509,687.70
  4. Step 4: Simplify right side
    1,574,645.76x = 1,204,057,374,156.18
  5. Step 5: Solve for x
    x = 1,204,057,374,156.18/1,574,645.76
  6. Step 6: Final answer
    x = 764,652.85

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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.