Home / 705,965.33-974,239.68-383,675.45

Finding the Fourth Proportional to 705,965.33, 974,239.68 and 383,675.45

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Solution

The fourth proportional to 705,965.33, 974,239.68 and 383,675.45 is: 529,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,965.33 : 974,239.68 = 383,675.45 : x
  2. Step 2: Convert to fraction form
    705,965.33/974,239.68 = 383,675.45/x
  3. Step 3: Cross multiply
    705,965.33x = 974,239.68 × 383,675.45
  4. Step 4: Simplify right side
    705,965.33x = 373,791,844,199.44
  5. Step 5: Solve for x
    x = 373,791,844,199.44/705,965.33
  6. Step 6: Final answer
    x = 529,476.20

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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.