Home / 705,974.77-974,252.73-383,684.89

Finding the Fourth Proportional to 705,974.77, 974,252.73 and 383,684.89

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Solution

The fourth proportional to 705,974.77, 974,252.73 and 383,684.89 is: 529,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,974.77 : 974,252.73 = 383,684.89 : x
  2. Step 2: Convert to fraction form
    705,974.77/974,252.73 = 383,684.89/x
  3. Step 3: Cross multiply
    705,974.77x = 974,252.73 × 383,684.89
  4. Step 4: Simplify right side
    705,974.77x = 373,806,051,542.25
  5. Step 5: Solve for x
    x = 373,806,051,542.25/705,974.77
  6. Step 6: Final answer
    x = 529,489.25

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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.