Home / 510,185.03-705,026.36-382,639.19

Finding the Fourth Proportional to 510,185.03, 705,026.36 and 382,639.19

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Solution

The fourth proportional to 510,185.03, 705,026.36 and 382,639.19 is: 528,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,185.03 : 705,026.36 = 382,639.19 : x
  2. Step 2: Convert to fraction form
    510,185.03/705,026.36 = 382,639.19/x
  3. Step 3: Cross multiply
    510,185.03x = 705,026.36 × 382,639.19
  4. Step 4: Simplify right side
    510,185.03x = 269,770,712,750.52
  5. Step 5: Solve for x
    x = 269,770,712,750.52/510,185.03
  6. Step 6: Final answer
    x = 528,770.35

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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.