Home / 657,911.08-987,166.86-357,941.80

Finding the Fourth Proportional to 657,911.08, 987,166.86 and 357,941.80

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Solution

The fourth proportional to 657,911.08, 987,166.86 and 357,941.80 is: 537,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,911.08 : 987,166.86 = 357,941.80 : x
  2. Step 2: Convert to fraction form
    657,911.08/987,166.86 = 357,941.80/x
  3. Step 3: Cross multiply
    657,911.08x = 987,166.86 × 357,941.80
  4. Step 4: Simplify right side
    657,911.08x = 353,348,282,768.75
  5. Step 5: Solve for x
    x = 353,348,282,768.75/657,911.08
  6. Step 6: Final answer
    x = 537,076.05

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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.