Home / 1,447,707.87-1,997,839.19-803,128.05

Finding the Fourth Proportional to 1,447,707.87, 1,997,839.19 and 803,128.05

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Solution

The fourth proportional to 1,447,707.87, 1,997,839.19 and 803,128.05 is: 1,108,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,707.87 : 1,997,839.19 = 803,128.05 : x
  2. Step 2: Convert to fraction form
    1,447,707.87/1,997,839.19 = 803,128.05/x
  3. Step 3: Cross multiply
    1,447,707.87x = 1,997,839.19 × 803,128.05
  4. Step 4: Simplify right side
    1,447,707.87x = 1,604,520,694,886.10
  5. Step 5: Solve for x
    x = 1,604,520,694,886.10/1,447,707.87
  6. Step 6: Final answer
    x = 1,108,318.00

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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.