Home / 963,271.42-1,328,957.67-623,926.78

Finding the Fourth Proportional to 963,271.42, 1,328,957.67 and 623,926.78

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Solution

The fourth proportional to 963,271.42, 1,328,957.67 and 623,926.78 is: 860,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,271.42 : 1,328,957.67 = 623,926.78 : x
  2. Step 2: Convert to fraction form
    963,271.42/1,328,957.67 = 623,926.78/x
  3. Step 3: Cross multiply
    963,271.42x = 1,328,957.67 × 623,926.78
  4. Step 4: Simplify right side
    963,271.42x = 829,172,279,799.40
  5. Step 5: Solve for x
    x = 829,172,279,799.40/963,271.42
  6. Step 6: Final answer
    x = 860,787.79

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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.