Home / 1,440,869.64-2,161,362.78-542,216.76

Finding the Fourth Proportional to 1,440,869.64, 2,161,362.78 and 542,216.76

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Solution

The fourth proportional to 1,440,869.64, 2,161,362.78 and 542,216.76 is: 813,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,869.64 : 2,161,362.78 = 542,216.76 : x
  2. Step 2: Convert to fraction form
    1,440,869.64/2,161,362.78 = 542,216.76/x
  3. Step 3: Cross multiply
    1,440,869.64x = 2,161,362.78 × 542,216.76
  4. Step 4: Simplify right side
    1,440,869.64x = 1,171,927,123,756.19
  5. Step 5: Solve for x
    x = 1,171,927,123,756.19/1,440,869.64
  6. Step 6: Final answer
    x = 813,347.09

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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.