Home / 1,431,403.57-1,975,341.02-819,565.71

Finding the Fourth Proportional to 1,431,403.57, 1,975,341.02 and 819,565.71

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Solution

The fourth proportional to 1,431,403.57, 1,975,341.02 and 819,565.71 is: 1,131,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,403.57 : 1,975,341.02 = 819,565.71 : x
  2. Step 2: Convert to fraction form
    1,431,403.57/1,975,341.02 = 819,565.71/x
  3. Step 3: Cross multiply
    1,431,403.57x = 1,975,341.02 × 819,565.71
  4. Step 4: Simplify right side
    1,431,403.57x = 1,618,921,765,548.42
  5. Step 5: Solve for x
    x = 1,618,921,765,548.42/1,431,403.57
  6. Step 6: Final answer
    x = 1,131,003.03

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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.