Home / 845,280.84-1,166,516.46-463,307.52

Finding the Fourth Proportional to 845,280.84, 1,166,516.46 and 463,307.52

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Solution

The fourth proportional to 845,280.84, 1,166,516.46 and 463,307.52 is: 639,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,280.84 : 1,166,516.46 = 463,307.52 : x
  2. Step 2: Convert to fraction form
    845,280.84/1,166,516.46 = 463,307.52/x
  3. Step 3: Cross multiply
    845,280.84x = 1,166,516.46 × 463,307.52
  4. Step 4: Simplify right side
    845,280.84x = 540,455,848,121.78
  5. Step 5: Solve for x
    x = 540,455,848,121.78/845,280.84
  6. Step 6: Final answer
    x = 639,380.22

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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.