Home / 1,190,330.99-1,642,758.08-674,176.71

Finding the Fourth Proportional to 1,190,330.99, 1,642,758.08 and 674,176.71

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Solution

The fourth proportional to 1,190,330.99, 1,642,758.08 and 674,176.71 is: 930,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,330.99 : 1,642,758.08 = 674,176.71 : x
  2. Step 2: Convert to fraction form
    1,190,330.99/1,642,758.08 = 674,176.71/x
  3. Step 3: Cross multiply
    1,190,330.99x = 1,642,758.08 × 674,176.71
  4. Step 4: Simplify right side
    1,190,330.99x = 1,107,509,237,700.32
  5. Step 5: Solve for x
    x = 1,107,509,237,700.32/1,190,330.99
  6. Step 6: Final answer
    x = 930,421.24

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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.