Home / 501,935.04-692,627.40-287,040.60

Finding the Fourth Proportional to 501,935.04, 692,627.40 and 287,040.60

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Solution

The fourth proportional to 501,935.04, 692,627.40 and 287,040.60 is: 396,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,935.04 : 692,627.40 = 287,040.60 : x
  2. Step 2: Convert to fraction form
    501,935.04/692,627.40 = 287,040.60/x
  3. Step 3: Cross multiply
    501,935.04x = 692,627.40 × 287,040.60
  4. Step 4: Simplify right side
    501,935.04x = 198,812,184,472.44
  5. Step 5: Solve for x
    x = 198,812,184,472.44/501,935.04
  6. Step 6: Final answer
    x = 396,091.46

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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.