Home / 807,563.40-1,114,486.43-444,986.81

Finding the Fourth Proportional to 807,563.40, 1,114,486.43 and 444,986.81

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Solution

The fourth proportional to 807,563.40, 1,114,486.43 and 444,986.81 is: 614,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,563.40 : 1,114,486.43 = 444,986.81 : x
  2. Step 2: Convert to fraction form
    807,563.40/1,114,486.43 = 444,986.81/x
  3. Step 3: Cross multiply
    807,563.40x = 1,114,486.43 × 444,986.81
  4. Step 4: Simplify right side
    807,563.40x = 495,931,763,924.93
  5. Step 5: Solve for x
    x = 495,931,763,924.93/807,563.40
  6. Step 6: Final answer
    x = 614,108.77

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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.