Home / 572,812.20-858,959.10-257,106.60

Finding the Fourth Proportional to 572,812.20, 858,959.10 and 257,106.60

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Solution

The fourth proportional to 572,812.20, 858,959.10 and 257,106.60 is: 385,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,812.20 : 858,959.10 = 257,106.60 : x
  2. Step 2: Convert to fraction form
    572,812.20/858,959.10 = 257,106.60/x
  3. Step 3: Cross multiply
    572,812.20x = 858,959.10 × 257,106.60
  4. Step 4: Simplify right side
    572,812.20x = 220,844,053,740.06
  5. Step 5: Solve for x
    x = 220,844,053,740.06/572,812.20
  6. Step 6: Final answer
    x = 385,543.56

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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.