Home / 1,103,984.02-1,523,429.13-620,542.81

Finding the Fourth Proportional to 1,103,984.02, 1,523,429.13 and 620,542.81

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Solution

The fourth proportional to 1,103,984.02, 1,523,429.13 and 620,542.81 is: 856,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,984.02 : 1,523,429.13 = 620,542.81 : x
  2. Step 2: Convert to fraction form
    1,103,984.02/1,523,429.13 = 620,542.81/x
  3. Step 3: Cross multiply
    1,103,984.02x = 1,523,429.13 × 620,542.81
  4. Step 4: Simplify right side
    1,103,984.02x = 945,352,993,166.06
  5. Step 5: Solve for x
    x = 945,352,993,166.06/1,103,984.02
  6. Step 6: Final answer
    x = 856,310.40

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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.