Home / 1,431,225.93-1,975,066.41-786,645.96

Finding the Fourth Proportional to 1,431,225.93, 1,975,066.41 and 786,645.96

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Solution

The fourth proportional to 1,431,225.93, 1,975,066.41 and 786,645.96 is: 1,085,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,225.93 : 1,975,066.41 = 786,645.96 : x
  2. Step 2: Convert to fraction form
    1,431,225.93/1,975,066.41 = 786,645.96/x
  3. Step 3: Cross multiply
    1,431,225.93x = 1,975,066.41 × 786,645.96
  4. Step 4: Simplify right side
    1,431,225.93x = 1,553,678,012,158.20
  5. Step 5: Solve for x
    x = 1,553,678,012,158.20/1,431,225.93
  6. Step 6: Final answer
    x = 1,085,557.48

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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.