Home / 705,861.38-974,219.93-404,055.38

Finding the Fourth Proportional to 705,861.38, 974,219.93 and 404,055.38

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Solution

The fourth proportional to 705,861.38, 974,219.93 and 404,055.38 is: 557,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,861.38 : 974,219.93 = 404,055.38 : x
  2. Step 2: Convert to fraction form
    705,861.38/974,219.93 = 404,055.38/x
  3. Step 3: Cross multiply
    705,861.38x = 974,219.93 × 404,055.38
  4. Step 4: Simplify right side
    705,861.38x = 393,638,797,128.35
  5. Step 5: Solve for x
    x = 393,638,797,128.35/705,861.38
  6. Step 6: Final answer
    x = 557,671.54

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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.