Home / 1,579,280.84-2,179,407.56-854,128.56

Finding the Fourth Proportional to 1,579,280.84, 2,179,407.56 and 854,128.56

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Solution

The fourth proportional to 1,579,280.84, 2,179,407.56 and 854,128.56 is: 1,178,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,280.84 : 2,179,407.56 = 854,128.56 : x
  2. Step 2: Convert to fraction form
    1,579,280.84/2,179,407.56 = 854,128.56/x
  3. Step 3: Cross multiply
    1,579,280.84x = 2,179,407.56 × 854,128.56
  4. Step 4: Simplify right side
    1,579,280.84x = 1,861,494,235,427.39
  5. Step 5: Solve for x
    x = 1,861,494,235,427.39/1,579,280.84
  6. Step 6: Final answer
    x = 1,178,697.41

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1.5x scale

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.