Home / 705,816.10-974,027.46-383,530.06

Finding the Fourth Proportional to 705,816.10, 974,027.46 and 383,530.06

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Solution

The fourth proportional to 705,816.10, 974,027.46 and 383,530.06 is: 529,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,816.10 : 974,027.46 = 383,530.06 : x
  2. Step 2: Convert to fraction form
    705,816.10/974,027.46 = 383,530.06/x
  3. Step 3: Cross multiply
    705,816.10x = 974,027.46 × 383,530.06
  4. Step 4: Simplify right side
    705,816.10x = 373,568,810,175.45
  5. Step 5: Solve for x
    x = 373,568,810,175.45/705,816.10
  6. Step 6: Final answer
    x = 529,272.16

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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.