Home / 657,844.53-986,967.26-278,567.70

Finding the Fourth Proportional to 657,844.53, 986,967.26 and 278,567.70

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Solution

The fourth proportional to 657,844.53, 986,967.26 and 278,567.70 is: 417,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,844.53 : 986,967.26 = 278,567.70 : x
  2. Step 2: Convert to fraction form
    657,844.53/986,967.26 = 278,567.70/x
  3. Step 3: Cross multiply
    657,844.53x = 986,967.26 × 278,567.70
  4. Step 4: Simplify right side
    657,844.53x = 274,937,199,593.50
  5. Step 5: Solve for x
    x = 274,937,199,593.50/657,844.53
  6. Step 6: Final answer
    x = 417,936.44

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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.