Home / 1,161,856.80-1,742,836.40-656,410.40

Finding the Fourth Proportional to 1,161,856.80, 1,742,836.40 and 656,410.40

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Solution

The fourth proportional to 1,161,856.80, 1,742,836.40 and 656,410.40 is: 984,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,856.80 : 1,742,836.40 = 656,410.40 : x
  2. Step 2: Convert to fraction form
    1,161,856.80/1,742,836.40 = 656,410.40/x
  3. Step 3: Cross multiply
    1,161,856.80x = 1,742,836.40 × 656,410.40
  4. Step 4: Simplify right side
    1,161,856.80x = 1,144,015,938,458.56
  5. Step 5: Solve for x
    x = 1,144,015,938,458.56/1,161,856.80
  6. Step 6: Final answer
    x = 984,644.53

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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.