Home / 1,528,960.93-2,109,921.42-840,632.05

Finding the Fourth Proportional to 1,528,960.93, 2,109,921.42 and 840,632.05

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Solution

The fourth proportional to 1,528,960.93, 2,109,921.42 and 840,632.05 is: 1,160,047.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,960.93 : 2,109,921.42 = 840,632.05 : x
  2. Step 2: Convert to fraction form
    1,528,960.93/2,109,921.42 = 840,632.05/x
  3. Step 3: Cross multiply
    1,528,960.93x = 2,109,921.42 × 840,632.05
  4. Step 4: Simplify right side
    1,528,960.93x = 1,773,667,568,633.51
  5. Step 5: Solve for x
    x = 1,773,667,568,633.51/1,528,960.93
  6. Step 6: Final answer
    x = 1,160,047.67

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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.