Home / 870,448.55-1,200,911.05-568,817.51

Finding the Fourth Proportional to 870,448.55, 1,200,911.05 and 568,817.51

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Solution

The fourth proportional to 870,448.55, 1,200,911.05 and 568,817.51 is: 784,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,448.55 : 1,200,911.05 = 568,817.51 : x
  2. Step 2: Convert to fraction form
    870,448.55/1,200,911.05 = 568,817.51/x
  3. Step 3: Cross multiply
    870,448.55x = 1,200,911.05 × 568,817.51
  4. Step 4: Simplify right side
    870,448.55x = 683,099,233,192.49
  5. Step 5: Solve for x
    x = 683,099,233,192.49/870,448.55
  6. Step 6: Final answer
    x = 784,766.93

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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.