Home / 1,189,482.56-1,783,848-390,632.48

Finding the Fourth Proportional to 1,189,482.56, 1,783,848 and 390,632.48

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Solution

The fourth proportional to 1,189,482.56, 1,783,848 and 390,632.48 is: 585,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,482.56 : 1,783,848 = 390,632.48 : x
  2. Step 2: Convert to fraction form
    1,189,482.56/1,783,848 = 390,632.48/x
  3. Step 3: Cross multiply
    1,189,482.56x = 1,783,848 × 390,632.48
  4. Step 4: Simplify right side
    1,189,482.56x = 696,828,968,183.04
  5. Step 5: Solve for x
    x = 696,828,968,183.04/1,189,482.56
  6. Step 6: Final answer
    x = 585,825.29

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Double scale
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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.