Home / 705,187.08-973,175.07-382,910.76

Finding the Fourth Proportional to 705,187.08, 973,175.07 and 382,910.76

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Solution

The fourth proportional to 705,187.08, 973,175.07 and 382,910.76 is: 528,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,187.08 : 973,175.07 = 382,910.76 : x
  2. Step 2: Convert to fraction form
    705,187.08/973,175.07 = 382,910.76/x
  3. Step 3: Cross multiply
    705,187.08x = 973,175.07 × 382,910.76
  4. Step 4: Simplify right side
    705,187.08x = 372,639,205,666.75
  5. Step 5: Solve for x
    x = 372,639,205,666.75/705,187.08
  6. Step 6: Final answer
    x = 528,426.03

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Half scale
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Double scale
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Similar ratio
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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.