Home / 879,882.35-1,214,237.62-477,474.35

Finding the Fourth Proportional to 879,882.35, 1,214,237.62 and 477,474.35

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Solution

The fourth proportional to 879,882.35, 1,214,237.62 and 477,474.35 is: 658,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,882.35 : 1,214,237.62 = 477,474.35 : x
  2. Step 2: Convert to fraction form
    879,882.35/1,214,237.62 = 477,474.35/x
  3. Step 3: Cross multiply
    879,882.35x = 1,214,237.62 × 477,474.35
  4. Step 4: Simplify right side
    879,882.35x = 579,767,312,880.70
  5. Step 5: Solve for x
    x = 579,767,312,880.70/879,882.35
  6. Step 6: Final answer
    x = 658,914.59

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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.