Home / 961,472.20-1,326,777.78-525,803.56

Finding the Fourth Proportional to 961,472.20, 1,326,777.78 and 525,803.56

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Solution

The fourth proportional to 961,472.20, 1,326,777.78 and 525,803.56 is: 725,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,472.20 : 1,326,777.78 = 525,803.56 : x
  2. Step 2: Convert to fraction form
    961,472.20/1,326,777.78 = 525,803.56/x
  3. Step 3: Cross multiply
    961,472.20x = 1,326,777.78 × 525,803.56
  4. Step 4: Simplify right side
    961,472.20x = 697,624,480,052.90
  5. Step 5: Solve for x
    x = 697,624,480,052.90/961,472.20
  6. Step 6: Final answer
    x = 725,579.46

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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.