Home / 877,493.40-1,313,615.70-522,324.60

Finding the Fourth Proportional to 877,493.40, 1,313,615.70 and 522,324.60

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Solution

The fourth proportional to 877,493.40, 1,313,615.70 and 522,324.60 is: 781,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,493.40 : 1,313,615.70 = 522,324.60 : x
  2. Step 2: Convert to fraction form
    877,493.40/1,313,615.70 = 522,324.60/x
  3. Step 3: Cross multiply
    877,493.40x = 1,313,615.70 × 522,324.60
  4. Step 4: Simplify right side
    877,493.40x = 686,133,795,056.22
  5. Step 5: Solve for x
    x = 686,133,795,056.22/877,493.40
  6. Step 6: Final answer
    x = 781,924.74

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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.