Home / 852,666.72-1,176,682.96-470,692.64

Finding the Fourth Proportional to 852,666.72, 1,176,682.96 and 470,692.64

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Solution

The fourth proportional to 852,666.72, 1,176,682.96 and 470,692.64 is: 649,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,666.72 : 1,176,682.96 = 470,692.64 : x
  2. Step 2: Convert to fraction form
    852,666.72/1,176,682.96 = 470,692.64/x
  3. Step 3: Cross multiply
    852,666.72x = 1,176,682.96 × 470,692.64
  4. Step 4: Simplify right side
    852,666.72x = 553,856,008,885.41
  5. Step 5: Solve for x
    x = 553,856,008,885.41/852,666.72
  6. Step 6: Final answer
    x = 649,557.44

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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.