Home / 436,567.81-654,849.69-121,023.67

Finding the Fourth Proportional to 436,567.81, 654,849.69 and 121,023.67

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Solution

The fourth proportional to 436,567.81, 654,849.69 and 121,023.67 is: 181,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,567.81 : 654,849.69 = 121,023.67 : x
  2. Step 2: Convert to fraction form
    436,567.81/654,849.69 = 121,023.67/x
  3. Step 3: Cross multiply
    436,567.81x = 654,849.69 × 121,023.67
  4. Step 4: Simplify right side
    436,567.81x = 79,252,312,782.16
  5. Step 5: Solve for x
    x = 79,252,312,782.16/436,567.81
  6. Step 6: Final answer
    x = 181,534.94

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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.