Home / 1,193,421.66-1,646,928.74-649,556.15

Finding the Fourth Proportional to 1,193,421.66, 1,646,928.74 and 649,556.15

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Solution

The fourth proportional to 1,193,421.66, 1,646,928.74 and 649,556.15 is: 896,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,421.66 : 1,646,928.74 = 649,556.15 : x
  2. Step 2: Convert to fraction form
    1,193,421.66/1,646,928.74 = 649,556.15/x
  3. Step 3: Cross multiply
    1,193,421.66x = 1,646,928.74 × 649,556.15
  4. Step 4: Simplify right side
    1,193,421.66x = 1,069,772,691,678.75
  5. Step 5: Solve for x
    x = 1,069,772,691,678.75/1,193,421.66
  6. Step 6: Final answer
    x = 896,391.21

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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.