Home / 1,120,429.58-1,679,857.11-410,365.34

Finding the Fourth Proportional to 1,120,429.58, 1,679,857.11 and 410,365.34

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Solution

The fourth proportional to 1,120,429.58, 1,679,857.11 and 410,365.34 is: 615,259.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,429.58 : 1,679,857.11 = 410,365.34 : x
  2. Step 2: Convert to fraction form
    1,120,429.58/1,679,857.11 = 410,365.34/x
  3. Step 3: Cross multiply
    1,120,429.58x = 1,679,857.11 × 410,365.34
  4. Step 4: Simplify right side
    1,120,429.58x = 689,355,134,096.57
  5. Step 5: Solve for x
    x = 689,355,134,096.57/1,120,429.58
  6. Step 6: Final answer
    x = 615,259.67

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1.5x scale

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.