Home / 879,883.56-1,214,239.41-477,475.56

Finding the Fourth Proportional to 879,883.56, 1,214,239.41 and 477,475.56

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Solution

The fourth proportional to 879,883.56, 1,214,239.41 and 477,475.56 is: 658,916.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,883.56 : 1,214,239.41 = 477,475.56 : x
  2. Step 2: Convert to fraction form
    879,883.56/1,214,239.41 = 477,475.56/x
  3. Step 3: Cross multiply
    879,883.56x = 1,214,239.41 × 477,475.56
  4. Step 4: Simplify right side
    879,883.56x = 579,769,642,263.82
  5. Step 5: Solve for x
    x = 579,769,642,263.82/879,883.56
  6. Step 6: Final answer
    x = 658,916.33

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Double scale
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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.