Home / 572,280.76-858,412.40-193,467.60

Finding the Fourth Proportional to 572,280.76, 858,412.40 and 193,467.60

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Solution

The fourth proportional to 572,280.76, 858,412.40 and 193,467.60 is: 290,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,280.76 : 858,412.40 = 193,467.60 : x
  2. Step 2: Convert to fraction form
    572,280.76/858,412.40 = 193,467.60/x
  3. Step 3: Cross multiply
    572,280.76x = 858,412.40 × 193,467.60
  4. Step 4: Simplify right side
    572,280.76x = 166,074,986,838.24
  5. Step 5: Solve for x
    x = 166,074,986,838.24/572,280.76
  6. Step 6: Final answer
    x = 290,198.45

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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.