Home / 854,457.94-1,178,080.20-547,993.63

Finding the Fourth Proportional to 854,457.94, 1,178,080.20 and 547,993.63

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Solution

The fourth proportional to 854,457.94, 1,178,080.20 and 547,993.63 is: 755,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,457.94 : 1,178,080.20 = 547,993.63 : x
  2. Step 2: Convert to fraction form
    854,457.94/1,178,080.20 = 547,993.63/x
  3. Step 3: Cross multiply
    854,457.94x = 1,178,080.20 × 547,993.63
  4. Step 4: Simplify right side
    854,457.94x = 645,580,445,229.13
  5. Step 5: Solve for x
    x = 645,580,445,229.13/854,457.94
  6. Step 6: Final answer
    x = 755,543.85

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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.