Home / 525,811.72-788,401.67-205,582.07

Finding the Fourth Proportional to 525,811.72, 788,401.67 and 205,582.07

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Solution

The fourth proportional to 525,811.72, 788,401.67 and 205,582.07 is: 308,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,811.72 : 788,401.67 = 205,582.07 : x
  2. Step 2: Convert to fraction form
    525,811.72/788,401.67 = 205,582.07/x
  3. Step 3: Cross multiply
    525,811.72x = 788,401.67 × 205,582.07
  4. Step 4: Simplify right side
    525,811.72x = 162,081,243,368.05
  5. Step 5: Solve for x
    x = 162,081,243,368.05/525,811.72
  6. Step 6: Final answer
    x = 308,249.59

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1.5x scale

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.