Home / 879,883.50-1,214,239.23-477,475.50

Finding the Fourth Proportional to 879,883.50, 1,214,239.23 and 477,475.50

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Solution

The fourth proportional to 879,883.50, 1,214,239.23 and 477,475.50 is: 658,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,883.50 : 1,214,239.23 = 477,475.50 : x
  2. Step 2: Convert to fraction form
    879,883.50/1,214,239.23 = 477,475.50/x
  3. Step 3: Cross multiply
    879,883.50x = 1,214,239.23 × 477,475.50
  4. Step 4: Simplify right side
    879,883.50x = 579,769,483,463.87
  5. Step 5: Solve for x
    x = 579,769,483,463.87/879,883.50
  6. Step 6: Final answer
    x = 658,916.19

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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.