Home / 682,742.72-939,657.00-501,167.05

Finding the Fourth Proportional to 682,742.72, 939,657.00 and 501,167.05

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Solution

The fourth proportional to 682,742.72, 939,657.00 and 501,167.05 is: 689,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,742.72 : 939,657.00 = 501,167.05 : x
  2. Step 2: Convert to fraction form
    682,742.72/939,657.00 = 501,167.05/x
  3. Step 3: Cross multiply
    682,742.72x = 939,657.00 × 501,167.05
  4. Step 4: Simplify right side
    682,742.72x = 470,925,126,232.08
  5. Step 5: Solve for x
    x = 470,925,126,232.08/682,742.72
  6. Step 6: Final answer
    x = 689,754.88

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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.