Home / 740,690.01-1,109,137.32-512,669.79

Finding the Fourth Proportional to 740,690.01, 1,109,137.32 and 512,669.79

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Solution

The fourth proportional to 740,690.01, 1,109,137.32 and 512,669.79 is: 767,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,690.01 : 1,109,137.32 = 512,669.79 : x
  2. Step 2: Convert to fraction form
    740,690.01/1,109,137.32 = 512,669.79/x
  3. Step 3: Cross multiply
    740,690.01x = 1,109,137.32 × 512,669.79
  4. Step 4: Simplify right side
    740,690.01x = 568,621,196,925.56
  5. Step 5: Solve for x
    x = 568,621,196,925.56/740,690.01
  6. Step 6: Final answer
    x = 767,691.19

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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.