Home / 705,185.37-973,128.51-382,888.09

Finding the Fourth Proportional to 705,185.37, 973,128.51 and 382,888.09

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Solution

The fourth proportional to 705,185.37, 973,128.51 and 382,888.09 is: 528,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,185.37 : 973,128.51 = 382,888.09 : x
  2. Step 2: Convert to fraction form
    705,185.37/973,128.51 = 382,888.09/x
  3. Step 3: Cross multiply
    705,185.37x = 973,128.51 × 382,888.09
  4. Step 4: Simplify right side
    705,185.37x = 372,599,311,652.80
  5. Step 5: Solve for x
    x = 372,599,311,652.80/705,185.37
  6. Step 6: Final answer
    x = 528,370.74

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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.