Home / 858,976.55-1,185,401.93-471,827.77

Finding the Fourth Proportional to 858,976.55, 1,185,401.93 and 471,827.77

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Solution

The fourth proportional to 858,976.55, 1,185,401.93 and 471,827.77 is: 651,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,976.55 : 1,185,401.93 = 471,827.77 : x
  2. Step 2: Convert to fraction form
    858,976.55/1,185,401.93 = 471,827.77/x
  3. Step 3: Cross multiply
    858,976.55x = 1,185,401.93 × 471,827.77
  4. Step 4: Simplify right side
    858,976.55x = 559,305,550,530.84
  5. Step 5: Solve for x
    x = 559,305,550,530.84/858,976.55
  6. Step 6: Final answer
    x = 651,130.17

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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.