Home / 1,212,000.30-1,672,572.06-668,157.30

Finding the Fourth Proportional to 1,212,000.30, 1,672,572.06 and 668,157.30

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Solution

The fourth proportional to 1,212,000.30, 1,672,572.06 and 668,157.30 is: 922,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,000.30 : 1,672,572.06 = 668,157.30 : x
  2. Step 2: Convert to fraction form
    1,212,000.30/1,672,572.06 = 668,157.30/x
  3. Step 3: Cross multiply
    1,212,000.30x = 1,672,572.06 × 668,157.30
  4. Step 4: Simplify right side
    1,212,000.30x = 1,117,541,231,665.04
  5. Step 5: Solve for x
    x = 1,117,541,231,665.04/1,212,000.30
  6. Step 6: Final answer
    x = 922,063.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.