Home / 857,539.38-1,183,406.03-470,357.95

Finding the Fourth Proportional to 857,539.38, 1,183,406.03 and 470,357.95

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Solution

The fourth proportional to 857,539.38, 1,183,406.03 and 470,357.95 is: 649,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,539.38 : 1,183,406.03 = 470,357.95 : x
  2. Step 2: Convert to fraction form
    857,539.38/1,183,406.03 = 470,357.95/x
  3. Step 3: Cross multiply
    857,539.38x = 1,183,406.03 × 470,357.95
  4. Step 4: Simplify right side
    857,539.38x = 556,624,431,936.65
  5. Step 5: Solve for x
    x = 556,624,431,936.65/857,539.38
  6. Step 6: Final answer
    x = 649,094.90

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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.