Home / 1,089,139.30-1,633,708.95-1,002,048.10

Finding the Fourth Proportional to 1,089,139.30, 1,633,708.95 and 1,002,048.10

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Solution

The fourth proportional to 1,089,139.30, 1,633,708.95 and 1,002,048.10 is: 1,503,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,139.30 : 1,633,708.95 = 1,002,048.10 : x
  2. Step 2: Convert to fraction form
    1,089,139.30/1,633,708.95 = 1,002,048.10/x
  3. Step 3: Cross multiply
    1,089,139.30x = 1,633,708.95 × 1,002,048.10
  4. Step 4: Simplify right side
    1,089,139.30x = 1,637,054,949,300.50
  5. Step 5: Solve for x
    x = 1,637,054,949,300.50/1,089,139.30
  6. Step 6: Final answer
    x = 1,503,072.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.