Home / 1,170,888.64-1,615,834.08-634,344.64

Finding the Fourth Proportional to 1,170,888.64, 1,615,834.08 and 634,344.64

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Solution

The fourth proportional to 1,170,888.64, 1,615,834.08 and 634,344.64 is: 875,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,888.64 : 1,615,834.08 = 634,344.64 : x
  2. Step 2: Convert to fraction form
    1,170,888.64/1,615,834.08 = 634,344.64/x
  3. Step 3: Cross multiply
    1,170,888.64x = 1,615,834.08 × 634,344.64
  4. Step 4: Simplify right side
    1,170,888.64x = 1,024,995,687,777.33
  5. Step 5: Solve for x
    x = 1,024,995,687,777.33/1,170,888.64
  6. Step 6: Final answer
    x = 875,399.81

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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.