Home / 451,581.69-623,250.86-288,307.96

Finding the Fourth Proportional to 451,581.69, 623,250.86 and 288,307.96

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Solution

The fourth proportional to 451,581.69, 623,250.86 and 288,307.96 is: 397,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,581.69 : 623,250.86 = 288,307.96 : x
  2. Step 2: Convert to fraction form
    451,581.69/623,250.86 = 288,307.96/x
  3. Step 3: Cross multiply
    451,581.69x = 623,250.86 × 288,307.96
  4. Step 4: Simplify right side
    451,581.69x = 179,688,184,014.85
  5. Step 5: Solve for x
    x = 179,688,184,014.85/451,581.69
  6. Step 6: Final answer
    x = 397,908.48

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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.