Home / 963,270.42-1,328,956.29-623,925.78

Finding the Fourth Proportional to 963,270.42, 1,328,956.29 and 623,925.78

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Solution

The fourth proportional to 963,270.42, 1,328,956.29 and 623,925.78 is: 860,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,270.42 : 1,328,956.29 = 623,925.78 : x
  2. Step 2: Convert to fraction form
    963,270.42/1,328,956.29 = 623,925.78/x
  3. Step 3: Cross multiply
    963,270.42x = 1,328,956.29 × 623,925.78
  4. Step 4: Simplify right side
    963,270.42x = 829,170,089,824.16
  5. Step 5: Solve for x
    x = 829,170,089,824.16/963,270.42
  6. Step 6: Final answer
    x = 860,786.41

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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.