Home / 1,154,636.91-1,593,371.39-645,386.67

Finding the Fourth Proportional to 1,154,636.91, 1,593,371.39 and 645,386.67

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Solution

The fourth proportional to 1,154,636.91, 1,593,371.39 and 645,386.67 is: 890,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,636.91 : 1,593,371.39 = 645,386.67 : x
  2. Step 2: Convert to fraction form
    1,154,636.91/1,593,371.39 = 645,386.67/x
  3. Step 3: Cross multiply
    1,154,636.91x = 1,593,371.39 × 645,386.67
  4. Step 4: Simplify right side
    1,154,636.91x = 1,028,340,652,238.44
  5. Step 5: Solve for x
    x = 1,028,340,652,238.44/1,154,636.91
  6. Step 6: Final answer
    x = 890,618.21

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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.