Home / 705,899.89-974,141.01-383,609.26

Finding the Fourth Proportional to 705,899.89, 974,141.01 and 383,609.26

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Solution

The fourth proportional to 705,899.89, 974,141.01 and 383,609.26 is: 529,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,899.89 : 974,141.01 = 383,609.26 : x
  2. Step 2: Convert to fraction form
    705,899.89/974,141.01 = 383,609.26/x
  3. Step 3: Cross multiply
    705,899.89x = 974,141.01 × 383,609.26
  4. Step 4: Simplify right side
    705,899.89x = 373,689,513,199.43
  5. Step 5: Solve for x
    x = 373,689,513,199.43/705,899.89
  6. Step 6: Final answer
    x = 529,380.32

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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.