Home / 854,113.51-1,178,639.90-466,921.56

Finding the Fourth Proportional to 854,113.51, 1,178,639.90 and 466,921.56

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Solution

The fourth proportional to 854,113.51, 1,178,639.90 and 466,921.56 is: 644,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,113.51 : 1,178,639.90 = 466,921.56 : x
  2. Step 2: Convert to fraction form
    854,113.51/1,178,639.90 = 466,921.56/x
  3. Step 3: Cross multiply
    854,113.51x = 1,178,639.90 × 466,921.56
  4. Step 4: Simplify right side
    854,113.51x = 550,332,378,451.64
  5. Step 5: Solve for x
    x = 550,332,378,451.64/854,113.51
  6. Step 6: Final answer
    x = 644,331.67

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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.