Home / 411,185.10-616,140.37-285,070.53

Finding the Fourth Proportional to 411,185.10, 616,140.37 and 285,070.53

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Solution

The fourth proportional to 411,185.10, 616,140.37 and 285,070.53 is: 427,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,185.10 : 616,140.37 = 285,070.53 : x
  2. Step 2: Convert to fraction form
    411,185.10/616,140.37 = 285,070.53/x
  3. Step 3: Cross multiply
    411,185.10x = 616,140.37 × 285,070.53
  4. Step 4: Simplify right side
    411,185.10x = 175,643,461,830.30
  5. Step 5: Solve for x
    x = 175,643,461,830.30/411,185.10
  6. Step 6: Final answer
    x = 427,163.98

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1.5x scale

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.