Home / 630,372.25-869,913.71-404,017.75

Finding the Fourth Proportional to 630,372.25, 869,913.71 and 404,017.75

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Solution

The fourth proportional to 630,372.25, 869,913.71 and 404,017.75 is: 557,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,372.25 : 869,913.71 = 404,017.75 : x
  2. Step 2: Convert to fraction form
    630,372.25/869,913.71 = 404,017.75/x
  3. Step 3: Cross multiply
    630,372.25x = 869,913.71 × 404,017.75
  4. Step 4: Simplify right side
    630,372.25x = 351,460,577,788.26
  5. Step 5: Solve for x
    x = 351,460,577,788.26/630,372.25
  6. Step 6: Final answer
    x = 557,544.50

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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.