Home / 705,996.18-974,268.90-383,708.23

Finding the Fourth Proportional to 705,996.18, 974,268.90 and 383,708.23

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Solution

The fourth proportional to 705,996.18, 974,268.90 and 383,708.23 is: 529,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,996.18 : 974,268.90 = 383,708.23 : x
  2. Step 2: Convert to fraction form
    705,996.18/974,268.90 = 383,708.23/x
  3. Step 3: Cross multiply
    705,996.18x = 974,268.90 × 383,708.23
  4. Step 4: Simplify right side
    705,996.18x = 373,834,995,163.05
  5. Step 5: Solve for x
    x = 373,834,995,163.05/705,996.18
  6. Step 6: Final answer
    x = 529,514.19

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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.