Home / 402,583.95-603,878.55-118,273.32

Finding the Fourth Proportional to 402,583.95, 603,878.55 and 118,273.32

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Solution

The fourth proportional to 402,583.95, 603,878.55 and 118,273.32 is: 177,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,583.95 : 603,878.55 = 118,273.32 : x
  2. Step 2: Convert to fraction form
    402,583.95/603,878.55 = 118,273.32/x
  3. Step 3: Cross multiply
    402,583.95x = 603,878.55 × 118,273.32
  4. Step 4: Simplify right side
    402,583.95x = 71,422,720,985.29
  5. Step 5: Solve for x
    x = 71,422,720,985.29/402,583.95
  6. Step 6: Final answer
    x = 177,410.75

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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.