Home / 705,186.14-973,129.58-382,888.86

Finding the Fourth Proportional to 705,186.14, 973,129.58 and 382,888.86

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Solution

The fourth proportional to 705,186.14, 973,129.58 and 382,888.86 is: 528,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,186.14 : 973,129.58 = 382,888.86 : x
  2. Step 2: Convert to fraction form
    705,186.14/973,129.58 = 382,888.86/x
  3. Step 3: Cross multiply
    705,186.14x = 973,129.58 × 382,888.86
  4. Step 4: Simplify right side
    705,186.14x = 372,600,471,390.63
  5. Step 5: Solve for x
    x = 372,600,471,390.63/705,186.14
  6. Step 6: Final answer
    x = 528,371.81

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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.