Home / 1,535,989.08-2,119,715.82-838,308

Finding the Fourth Proportional to 1,535,989.08, 2,119,715.82 and 838,308

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Solution

The fourth proportional to 1,535,989.08, 2,119,715.82 and 838,308 is: 1,156,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,989.08 : 2,119,715.82 = 838,308 : x
  2. Step 2: Convert to fraction form
    1,535,989.08/2,119,715.82 = 838,308/x
  3. Step 3: Cross multiply
    1,535,989.08x = 2,119,715.82 × 838,308
  4. Step 4: Simplify right side
    1,535,989.08x = 1,776,974,729,632.56
  5. Step 5: Solve for x
    x = 1,776,974,729,632.56/1,535,989.08
  6. Step 6: Final answer
    x = 1,156,892.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.