Home / 879,945.34-1,214,324.58-477,537.34

Finding the Fourth Proportional to 879,945.34, 1,214,324.58 and 477,537.34

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Solution

The fourth proportional to 879,945.34, 1,214,324.58 and 477,537.34 is: 659,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,945.34 : 1,214,324.58 = 477,537.34 : x
  2. Step 2: Convert to fraction form
    879,945.34/1,214,324.58 = 477,537.34/x
  3. Step 3: Cross multiply
    879,945.34x = 1,214,324.58 × 477,537.34
  4. Step 4: Simplify right side
    879,945.34x = 579,885,329,829.82
  5. Step 5: Solve for x
    x = 579,885,329,829.82/879,945.34
  6. Step 6: Final answer
    x = 659,001.54

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1.5x scale

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.