Home / 648,045.45-971,776.58-248,553.45

Finding the Fourth Proportional to 648,045.45, 971,776.58 and 248,553.45

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Solution

The fourth proportional to 648,045.45, 971,776.58 and 248,553.45 is: 372,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,045.45 : 971,776.58 = 248,553.45 : x
  2. Step 2: Convert to fraction form
    648,045.45/971,776.58 = 248,553.45/x
  3. Step 3: Cross multiply
    648,045.45x = 971,776.58 × 248,553.45
  4. Step 4: Simplify right side
    648,045.45x = 241,538,420,345.43
  5. Step 5: Solve for x
    x = 241,538,420,345.43/648,045.45
  6. Step 6: Final answer
    x = 372,718.33

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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.