Home / 1,107,136.78-1,527,854.23-623,709.54

Finding the Fourth Proportional to 1,107,136.78, 1,527,854.23 and 623,709.54

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Solution

The fourth proportional to 1,107,136.78, 1,527,854.23 and 623,709.54 is: 860,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,136.78 : 1,527,854.23 = 623,709.54 : x
  2. Step 2: Convert to fraction form
    1,107,136.78/1,527,854.23 = 623,709.54/x
  3. Step 3: Cross multiply
    1,107,136.78x = 1,527,854.23 × 623,709.54
  4. Step 4: Simplify right side
    1,107,136.78x = 952,937,258,980.35
  5. Step 5: Solve for x
    x = 952,937,258,980.35/1,107,136.78
  6. Step 6: Final answer
    x = 860,722.25

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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.