Home / 867,545.64-1,197,238.32-485,562.60

Finding the Fourth Proportional to 867,545.64, 1,197,238.32 and 485,562.60

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Solution

The fourth proportional to 867,545.64, 1,197,238.32 and 485,562.60 is: 670,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,545.64 : 1,197,238.32 = 485,562.60 : x
  2. Step 2: Convert to fraction form
    867,545.64/1,197,238.32 = 485,562.60/x
  3. Step 3: Cross multiply
    867,545.64x = 1,197,238.32 × 485,562.60
  4. Step 4: Simplify right side
    867,545.64x = 581,334,151,478.83
  5. Step 5: Solve for x
    x = 581,334,151,478.83/867,545.64
  6. Step 6: Final answer
    x = 670,090.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.