Home / 705,186.58-973,130.18-382,889.30

Finding the Fourth Proportional to 705,186.58, 973,130.18 and 382,889.30

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Solution

The fourth proportional to 705,186.58, 973,130.18 and 382,889.30 is: 528,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,186.58 : 973,130.18 = 382,889.30 : x
  2. Step 2: Convert to fraction form
    705,186.58/973,130.18 = 382,889.30/x
  3. Step 3: Cross multiply
    705,186.58x = 973,130.18 × 382,889.30
  4. Step 4: Simplify right side
    705,186.58x = 372,601,128,563.42
  5. Step 5: Solve for x
    x = 372,601,128,563.42/705,186.58
  6. Step 6: Final answer
    x = 528,372.41

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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.