Home / 412,810.58-618,618.23-284,595.25

Finding the Fourth Proportional to 412,810.58, 618,618.23 and 284,595.25

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Solution

The fourth proportional to 412,810.58, 618,618.23 and 284,595.25 is: 426,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,810.58 : 618,618.23 = 284,595.25 : x
  2. Step 2: Convert to fraction form
    412,810.58/618,618.23 = 284,595.25/x
  3. Step 3: Cross multiply
    412,810.58x = 618,618.23 × 284,595.25
  4. Step 4: Simplify right side
    412,810.58x = 176,055,808,986.35
  5. Step 5: Solve for x
    x = 176,055,808,986.35/412,810.58
  6. Step 6: Final answer
    x = 426,480.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.