Home / 891,886.75-1,230,803.72-534,190.75

Finding the Fourth Proportional to 891,886.75, 1,230,803.72 and 534,190.75

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Solution

The fourth proportional to 891,886.75, 1,230,803.72 and 534,190.75 is: 737,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,886.75 : 1,230,803.72 = 534,190.75 : x
  2. Step 2: Convert to fraction form
    891,886.75/1,230,803.72 = 534,190.75/x
  3. Step 3: Cross multiply
    891,886.75x = 1,230,803.72 × 534,190.75
  4. Step 4: Simplify right side
    891,886.75x = 657,483,962,289.59
  5. Step 5: Solve for x
    x = 657,483,962,289.59/891,886.75
  6. Step 6: Final answer
    x = 737,183.24

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Half scale
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Double scale
Find fourth proportional to 891,887.75, 1,230,805.10 and 534,191.75
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.