Home / 705,370.39-973,416.86-383,082.80

Finding the Fourth Proportional to 705,370.39, 973,416.86 and 383,082.80

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Solution

The fourth proportional to 705,370.39, 973,416.86 and 383,082.80 is: 528,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,370.39 : 973,416.86 = 383,082.80 : x
  2. Step 2: Convert to fraction form
    705,370.39/973,416.86 = 383,082.80/x
  3. Step 3: Cross multiply
    705,370.39x = 973,416.86 × 383,082.80
  4. Step 4: Simplify right side
    705,370.39x = 372,899,256,296.01
  5. Step 5: Solve for x
    x = 372,899,256,296.01/705,370.39
  6. Step 6: Final answer
    x = 528,657.37

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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.