Home / 648,678.66-973,110.85-199,437.25

Finding the Fourth Proportional to 648,678.66, 973,110.85 and 199,437.25

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Solution

The fourth proportional to 648,678.66, 973,110.85 and 199,437.25 is: 299,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,678.66 : 973,110.85 = 199,437.25 : x
  2. Step 2: Convert to fraction form
    648,678.66/973,110.85 = 199,437.25/x
  3. Step 3: Cross multiply
    648,678.66x = 973,110.85 × 199,437.25
  4. Step 4: Simplify right side
    648,678.66x = 194,074,546,006.42
  5. Step 5: Solve for x
    x = 194,074,546,006.42/648,678.66
  6. Step 6: Final answer
    x = 299,184.42

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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.