Home / 1,173,406.28-1,619,023.14-664,108.65

Finding the Fourth Proportional to 1,173,406.28, 1,619,023.14 and 664,108.65

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Solution

The fourth proportional to 1,173,406.28, 1,619,023.14 and 664,108.65 is: 916,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,406.28 : 1,619,023.14 = 664,108.65 : x
  2. Step 2: Convert to fraction form
    1,173,406.28/1,619,023.14 = 664,108.65/x
  3. Step 3: Cross multiply
    1,173,406.28x = 1,619,023.14 × 664,108.65
  4. Step 4: Simplify right side
    1,173,406.28x = 1,075,207,271,824.16
  5. Step 5: Solve for x
    x = 1,075,207,271,824.16/1,173,406.28
  6. Step 6: Final answer
    x = 916,312.87

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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.