Home / 1,149,603.90-1,586,453.81-666,449.12

Finding the Fourth Proportional to 1,149,603.90, 1,586,453.81 and 666,449.12

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Solution

The fourth proportional to 1,149,603.90, 1,586,453.81 and 666,449.12 is: 919,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,603.90 : 1,586,453.81 = 666,449.12 : x
  2. Step 2: Convert to fraction form
    1,149,603.90/1,586,453.81 = 666,449.12/x
  3. Step 3: Cross multiply
    1,149,603.90x = 1,586,453.81 × 666,449.12
  4. Step 4: Simplify right side
    1,149,603.90x = 1,057,290,745,595.15
  5. Step 5: Solve for x
    x = 1,057,290,745,595.15/1,149,603.90
  6. Step 6: Final answer
    x = 919,700.03

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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.