Home / 772,234.02-1,065,683.25-470,428.02

Finding the Fourth Proportional to 772,234.02, 1,065,683.25 and 470,428.02

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Solution

The fourth proportional to 772,234.02, 1,065,683.25 and 470,428.02 is: 649,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,234.02 : 1,065,683.25 = 470,428.02 : x
  2. Step 2: Convert to fraction form
    772,234.02/1,065,683.25 = 470,428.02/x
  3. Step 3: Cross multiply
    772,234.02x = 1,065,683.25 × 470,428.02
  4. Step 4: Simplify right side
    772,234.02x = 501,327,261,244.67
  5. Step 5: Solve for x
    x = 501,327,261,244.67/772,234.02
  6. Step 6: Final answer
    x = 649,190.85

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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.