Home / 1,161,792.32-1,603,317.62-645,584.52

Finding the Fourth Proportional to 1,161,792.32, 1,603,317.62 and 645,584.52

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Solution

The fourth proportional to 1,161,792.32, 1,603,317.62 and 645,584.52 is: 890,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,792.32 : 1,603,317.62 = 645,584.52 : x
  2. Step 2: Convert to fraction form
    1,161,792.32/1,603,317.62 = 645,584.52/x
  3. Step 3: Cross multiply
    1,161,792.32x = 1,603,317.62 × 645,584.52
  4. Step 4: Simplify right side
    1,161,792.32x = 1,035,077,036,115.24
  5. Step 5: Solve for x
    x = 1,035,077,036,115.24/1,161,792.32
  6. Step 6: Final answer
    x = 890,931.21

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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.