Home / 1,066,695.96-1,471,919.87-631,126.67

Finding the Fourth Proportional to 1,066,695.96, 1,471,919.87 and 631,126.67

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Solution

The fourth proportional to 1,066,695.96, 1,471,919.87 and 631,126.67 is: 870,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,695.96 : 1,471,919.87 = 631,126.67 : x
  2. Step 2: Convert to fraction form
    1,066,695.96/1,471,919.87 = 631,126.67/x
  3. Step 3: Cross multiply
    1,066,695.96x = 1,471,919.87 × 631,126.67
  4. Step 4: Simplify right side
    1,066,695.96x = 928,967,880,278.15
  5. Step 5: Solve for x
    x = 928,967,880,278.15/1,066,695.96
  6. Step 6: Final answer
    x = 870,883.47

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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.