Home / 1,431,411.63-1,975,352.16-819,573.81

Finding the Fourth Proportional to 1,431,411.63, 1,975,352.16 and 819,573.81

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Solution

The fourth proportional to 1,431,411.63, 1,975,352.16 and 819,573.81 is: 1,131,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,411.63 : 1,975,352.16 = 819,573.81 : x
  2. Step 2: Convert to fraction form
    1,431,411.63/1,975,352.16 = 819,573.81/x
  3. Step 3: Cross multiply
    1,431,411.63x = 1,975,352.16 × 819,573.81
  4. Step 4: Simplify right side
    1,431,411.63x = 1,618,946,895,862.93
  5. Step 5: Solve for x
    x = 1,618,946,895,862.93/1,431,411.63
  6. Step 6: Final answer
    x = 1,131,014.21

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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.