Home / 852,471.21-1,176,407.85-470,495.25

Finding the Fourth Proportional to 852,471.21, 1,176,407.85 and 470,495.25

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Solution

The fourth proportional to 852,471.21, 1,176,407.85 and 470,495.25 is: 649,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,471.21 : 1,176,407.85 = 470,495.25 : x
  2. Step 2: Convert to fraction form
    852,471.21/1,176,407.85 = 470,495.25/x
  3. Step 3: Cross multiply
    852,471.21x = 1,176,407.85 × 470,495.25
  4. Step 4: Simplify right side
    852,471.21x = 553,494,305,487.71
  5. Step 5: Solve for x
    x = 553,494,305,487.71/852,471.21
  6. Step 6: Final answer
    x = 649,282.11

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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.