Home / 1,431,170.08-1,975,019.01-786,656.32

Finding the Fourth Proportional to 1,431,170.08, 1,975,019.01 and 786,656.32

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Solution

The fourth proportional to 1,431,170.08, 1,975,019.01 and 786,656.32 is: 1,085,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,170.08 : 1,975,019.01 = 786,656.32 : x
  2. Step 2: Convert to fraction form
    1,431,170.08/1,975,019.01 = 786,656.32/x
  3. Step 3: Cross multiply
    1,431,170.08x = 1,975,019.01 × 786,656.32
  4. Step 4: Simplify right side
    1,431,170.08x = 1,553,661,178,449.13
  5. Step 5: Solve for x
    x = 1,553,661,178,449.13/1,431,170.08
  6. Step 6: Final answer
    x = 1,085,588.08

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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.