Home / 628,669.87-942,995.58-155,355.23

Finding the Fourth Proportional to 628,669.87, 942,995.58 and 155,355.23

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Solution

The fourth proportional to 628,669.87, 942,995.58 and 155,355.23 is: 233,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,669.87 : 942,995.58 = 155,355.23 : x
  2. Step 2: Convert to fraction form
    628,669.87/942,995.58 = 155,355.23/x
  3. Step 3: Cross multiply
    628,669.87x = 942,995.58 × 155,355.23
  4. Step 4: Simplify right side
    628,669.87x = 146,499,295,219.88
  5. Step 5: Solve for x
    x = 146,499,295,219.88/628,669.87
  6. Step 6: Final answer
    x = 233,030.57

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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.