Home / 1,547,856.29-2,135,969.78-859,571.75

Finding the Fourth Proportional to 1,547,856.29, 2,135,969.78 and 859,571.75

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Solution

The fourth proportional to 1,547,856.29, 2,135,969.78 and 859,571.75 is: 1,186,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,856.29 : 2,135,969.78 = 859,571.75 : x
  2. Step 2: Convert to fraction form
    1,547,856.29/2,135,969.78 = 859,571.75/x
  3. Step 3: Cross multiply
    1,547,856.29x = 2,135,969.78 × 859,571.75
  4. Step 4: Simplify right side
    1,547,856.29x = 1,836,019,281,741.72
  5. Step 5: Solve for x
    x = 1,836,019,281,741.72/1,547,856.29
  6. Step 6: Final answer
    x = 1,186,169.09

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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.