Home / 648,883.36-973,248.24-199,603.36

Finding the Fourth Proportional to 648,883.36, 973,248.24 and 199,603.36

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Solution

The fourth proportional to 648,883.36, 973,248.24 and 199,603.36 is: 299,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,883.36 : 973,248.24 = 199,603.36 : x
  2. Step 2: Convert to fraction form
    648,883.36/973,248.24 = 199,603.36/x
  3. Step 3: Cross multiply
    648,883.36x = 973,248.24 × 199,603.36
  4. Step 4: Simplify right side
    648,883.36x = 194,263,618,818.09
  5. Step 5: Solve for x
    x = 194,263,618,818.09/648,883.36
  6. Step 6: Final answer
    x = 299,381.42

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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.