Home / 525,112.80-787,669.20-484,562.40

Finding the Fourth Proportional to 525,112.80, 787,669.20 and 484,562.40

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Solution

The fourth proportional to 525,112.80, 787,669.20 and 484,562.40 is: 726,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,112.80 : 787,669.20 = 484,562.40 : x
  2. Step 2: Convert to fraction form
    525,112.80/787,669.20 = 484,562.40/x
  3. Step 3: Cross multiply
    525,112.80x = 787,669.20 × 484,562.40
  4. Step 4: Simplify right side
    525,112.80x = 381,674,877,958.08
  5. Step 5: Solve for x
    x = 381,674,877,958.08/525,112.80
  6. Step 6: Final answer
    x = 726,843.60

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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.