Home / 854,688.11-1,178,315.37-548,232.51

Finding the Fourth Proportional to 854,688.11, 1,178,315.37 and 548,232.51

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Solution

The fourth proportional to 854,688.11, 1,178,315.37 and 548,232.51 is: 755,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,688.11 : 1,178,315.37 = 548,232.51 : x
  2. Step 2: Convert to fraction form
    854,688.11/1,178,315.37 = 548,232.51/x
  3. Step 3: Cross multiply
    854,688.11x = 1,178,315.37 × 548,232.51
  4. Step 4: Simplify right side
    854,688.11x = 645,990,790,657.34
  5. Step 5: Solve for x
    x = 645,990,790,657.34/854,688.11
  6. Step 6: Final answer
    x = 755,820.49

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Double scale
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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.