Home / 1,463,855.42-2,020,120.17-819,275.57

Finding the Fourth Proportional to 1,463,855.42, 2,020,120.17 and 819,275.57

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Solution

The fourth proportional to 1,463,855.42, 2,020,120.17 and 819,275.57 is: 1,130,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,855.42 : 2,020,120.17 = 819,275.57 : x
  2. Step 2: Convert to fraction form
    1,463,855.42/2,020,120.17 = 819,275.57/x
  3. Step 3: Cross multiply
    1,463,855.42x = 2,020,120.17 × 819,275.57
  4. Step 4: Simplify right side
    1,463,855.42x = 1,655,035,108,795.55
  5. Step 5: Solve for x
    x = 1,655,035,108,795.55/1,463,855.42
  6. Step 6: Final answer
    x = 1,130,600.12

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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.