Home / 852,509.80-1,175,741.22-512,914.60

Finding the Fourth Proportional to 852,509.80, 1,175,741.22 and 512,914.60

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Solution

The fourth proportional to 852,509.80, 1,175,741.22 and 512,914.60 is: 707,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,509.80 : 1,175,741.22 = 512,914.60 : x
  2. Step 2: Convert to fraction form
    852,509.80/1,175,741.22 = 512,914.60/x
  3. Step 3: Cross multiply
    852,509.80x = 1,175,741.22 × 512,914.60
  4. Step 4: Simplify right side
    852,509.80x = 603,054,837,559.81
  5. Step 5: Solve for x
    x = 603,054,837,559.81/852,509.80
  6. Step 6: Final answer
    x = 707,387.57

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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.