Home / 986,914.08-1,480,149.69-453,923.04

Finding the Fourth Proportional to 986,914.08, 1,480,149.69 and 453,923.04

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Solution

The fourth proportional to 986,914.08, 1,480,149.69 and 453,923.04 is: 680,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,914.08 : 1,480,149.69 = 453,923.04 : x
  2. Step 2: Convert to fraction form
    986,914.08/1,480,149.69 = 453,923.04/x
  3. Step 3: Cross multiply
    986,914.08x = 1,480,149.69 × 453,923.04
  4. Step 4: Simplify right side
    986,914.08x = 671,874,046,939.86
  5. Step 5: Solve for x
    x = 671,874,046,939.86/986,914.08
  6. Step 6: Final answer
    x = 680,782.72

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1.5x scale

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.