Home / 1,116,642.24-1,674,973.44-317,923.20

Finding the Fourth Proportional to 1,116,642.24, 1,674,973.44 and 317,923.20

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Solution

The fourth proportional to 1,116,642.24, 1,674,973.44 and 317,923.20 is: 476,887.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,642.24 : 1,674,973.44 = 317,923.20 : x
  2. Step 2: Convert to fraction form
    1,116,642.24/1,674,973.44 = 317,923.20/x
  3. Step 3: Cross multiply
    1,116,642.24x = 1,674,973.44 × 317,923.20
  4. Step 4: Simplify right side
    1,116,642.24x = 532,512,915,959.81
  5. Step 5: Solve for x
    x = 532,512,915,959.81/1,116,642.24
  6. Step 6: Final answer
    x = 476,887.67

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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.