Home / 957,831.05-1,435,776.39-621,085.29

Finding the Fourth Proportional to 957,831.05, 1,435,776.39 and 621,085.29

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Solution

The fourth proportional to 957,831.05, 1,435,776.39 and 621,085.29 is: 930,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,831.05 : 1,435,776.39 = 621,085.29 : x
  2. Step 2: Convert to fraction form
    957,831.05/1,435,776.39 = 621,085.29/x
  3. Step 3: Cross multiply
    957,831.05x = 1,435,776.39 × 621,085.29
  4. Step 4: Simplify right side
    957,831.05x = 891,739,595,558.30
  5. Step 5: Solve for x
    x = 891,739,595,558.30/957,831.05
  6. Step 6: Final answer
    x = 930,998.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.