Home / 839,735.16-1,158,792.64-477,111.12

Finding the Fourth Proportional to 839,735.16, 1,158,792.64 and 477,111.12

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Solution

The fourth proportional to 839,735.16, 1,158,792.64 and 477,111.12 is: 658,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,735.16 : 1,158,792.64 = 477,111.12 : x
  2. Step 2: Convert to fraction form
    839,735.16/1,158,792.64 = 477,111.12/x
  3. Step 3: Cross multiply
    839,735.16x = 1,158,792.64 × 477,111.12
  4. Step 4: Simplify right side
    839,735.16x = 552,872,854,318.16
  5. Step 5: Solve for x
    x = 552,872,854,318.16/839,735.16
  6. Step 6: Final answer
    x = 658,389.55

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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.