Home / 451,581.19-623,250.17-288,307.46

Finding the Fourth Proportional to 451,581.19, 623,250.17 and 288,307.46

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Solution

The fourth proportional to 451,581.19, 623,250.17 and 288,307.46 is: 397,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,581.19 : 623,250.17 = 288,307.46 : x
  2. Step 2: Convert to fraction form
    451,581.19/623,250.17 = 288,307.46/x
  3. Step 3: Cross multiply
    451,581.19x = 623,250.17 × 288,307.46
  4. Step 4: Simplify right side
    451,581.19x = 179,687,673,457.27
  5. Step 5: Solve for x
    x = 179,687,673,457.27/451,581.19
  6. Step 6: Final answer
    x = 397,907.79

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1.5x scale

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.