Home / 1,142,500.36-1,576,589.76-659,036.64

Finding the Fourth Proportional to 1,142,500.36, 1,576,589.76 and 659,036.64

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Solution

The fourth proportional to 1,142,500.36, 1,576,589.76 and 659,036.64 is: 909,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,500.36 : 1,576,589.76 = 659,036.64 : x
  2. Step 2: Convert to fraction form
    1,142,500.36/1,576,589.76 = 659,036.64/x
  3. Step 3: Cross multiply
    1,142,500.36x = 1,576,589.76 × 659,036.64
  4. Step 4: Simplify right side
    1,142,500.36x = 1,039,030,418,088.81
  5. Step 5: Solve for x
    x = 1,039,030,418,088.81/1,142,500.36
  6. Step 6: Final answer
    x = 909,435.53

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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.