Home / 705,965.46-974,239.88-383,675.57

Finding the Fourth Proportional to 705,965.46, 974,239.88 and 383,675.57

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Solution

The fourth proportional to 705,965.46, 974,239.88 and 383,675.57 is: 529,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,965.46 : 974,239.88 = 383,675.57 : x
  2. Step 2: Convert to fraction form
    705,965.46/974,239.88 = 383,675.57/x
  3. Step 3: Cross multiply
    705,965.46x = 974,239.88 × 383,675.57
  4. Step 4: Simplify right side
    705,965.46x = 373,792,039,218.64
  5. Step 5: Solve for x
    x = 373,792,039,218.64/705,965.46
  6. Step 6: Final answer
    x = 529,476.39

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Double scale
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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.