Home / 852,125.12-1,175,968.24-470,176.64

Finding the Fourth Proportional to 852,125.12, 1,175,968.24 and 470,176.64

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Solution

The fourth proportional to 852,125.12, 1,175,968.24 and 470,176.64 is: 648,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,125.12 : 1,175,968.24 = 470,176.64 : x
  2. Step 2: Convert to fraction form
    852,125.12/1,175,968.24 = 470,176.64/x
  3. Step 3: Cross multiply
    852,125.12x = 1,175,968.24 × 470,176.64
  4. Step 4: Simplify right side
    852,125.12x = 552,912,795,829.91
  5. Step 5: Solve for x
    x = 552,912,795,829.91/852,125.12
  6. Step 6: Final answer
    x = 648,863.39

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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.