Home / 770,228.92-1,155,187.86-535,704.76

Finding the Fourth Proportional to 770,228.92, 1,155,187.86 and 535,704.76

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Solution

The fourth proportional to 770,228.92, 1,155,187.86 and 535,704.76 is: 803,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,228.92 : 1,155,187.86 = 535,704.76 : x
  2. Step 2: Convert to fraction form
    770,228.92/1,155,187.86 = 535,704.76/x
  3. Step 3: Cross multiply
    770,228.92x = 1,155,187.86 × 535,704.76
  4. Step 4: Simplify right side
    770,228.92x = 618,839,635,296.21
  5. Step 5: Solve for x
    x = 618,839,635,296.21/770,228.92
  6. Step 6: Final answer
    x = 803,448.97

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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.