Home / 1,535,860.52-2,303,782.56-398,621.89

Finding the Fourth Proportional to 1,535,860.52, 2,303,782.56 and 398,621.89

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Solution

The fourth proportional to 1,535,860.52, 2,303,782.56 and 398,621.89 is: 597,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,860.52 : 2,303,782.56 = 398,621.89 : x
  2. Step 2: Convert to fraction form
    1,535,860.52/2,303,782.56 = 398,621.89/x
  3. Step 3: Cross multiply
    1,535,860.52x = 2,303,782.56 × 398,621.89
  4. Step 4: Simplify right side
    1,535,860.52x = 918,338,144,704.22
  5. Step 5: Solve for x
    x = 918,338,144,704.22/1,535,860.52
  6. Step 6: Final answer
    x = 597,930.69

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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.