Home / 922,771.12-1,384,148.40-291,685.36

Finding the Fourth Proportional to 922,771.12, 1,384,148.40 and 291,685.36

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Solution

The fourth proportional to 922,771.12, 1,384,148.40 and 291,685.36 is: 437,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,771.12 : 1,384,148.40 = 291,685.36 : x
  2. Step 2: Convert to fraction form
    922,771.12/1,384,148.40 = 291,685.36/x
  3. Step 3: Cross multiply
    922,771.12x = 1,384,148.40 × 291,685.36
  4. Step 4: Simplify right side
    922,771.12x = 403,735,824,347.42
  5. Step 5: Solve for x
    x = 403,735,824,347.42/922,771.12
  6. Step 6: Final answer
    x = 437,525.42

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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.