Home / 626,579.33-864,531.23-354,647.18

Finding the Fourth Proportional to 626,579.33, 864,531.23 and 354,647.18

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Solution

The fourth proportional to 626,579.33, 864,531.23 and 354,647.18 is: 489,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,579.33 : 864,531.23 = 354,647.18 : x
  2. Step 2: Convert to fraction form
    626,579.33/864,531.23 = 354,647.18/x
  3. Step 3: Cross multiply
    626,579.33x = 864,531.23 × 354,647.18
  4. Step 4: Simplify right side
    626,579.33x = 306,603,563,129.52
  5. Step 5: Solve for x
    x = 306,603,563,129.52/626,579.33
  6. Step 6: Final answer
    x = 489,329.21

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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.