Home / 1,217,769.72-1,826,616.78-578,533.50

Finding the Fourth Proportional to 1,217,769.72, 1,826,616.78 and 578,533.50

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Solution

The fourth proportional to 1,217,769.72, 1,826,616.78 and 578,533.50 is: 867,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,769.72 : 1,826,616.78 = 578,533.50 : x
  2. Step 2: Convert to fraction form
    1,217,769.72/1,826,616.78 = 578,533.50/x
  3. Step 3: Cross multiply
    1,217,769.72x = 1,826,616.78 × 578,533.50
  4. Step 4: Simplify right side
    1,217,769.72x = 1,056,758,998,892.13
  5. Step 5: Solve for x
    x = 1,056,758,998,892.13/1,217,769.72
  6. Step 6: Final answer
    x = 867,782.29

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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.