Home / 912,943.41-1,368,525.12-380,616.67

Finding the Fourth Proportional to 912,943.41, 1,368,525.12 and 380,616.67

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Solution

The fourth proportional to 912,943.41, 1,368,525.12 and 380,616.67 is: 570,553.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,943.41 : 1,368,525.12 = 380,616.67 : x
  2. Step 2: Convert to fraction form
    912,943.41/1,368,525.12 = 380,616.67/x
  3. Step 3: Cross multiply
    912,943.41x = 1,368,525.12 × 380,616.67
  4. Step 4: Simplify right side
    912,943.41x = 520,883,476,410.06
  5. Step 5: Solve for x
    x = 520,883,476,410.06/912,943.41
  6. Step 6: Final answer
    x = 570,553.96

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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.