Home / 834,408.89-1,151,506.91-471,886.96

Finding the Fourth Proportional to 834,408.89, 1,151,506.91 and 471,886.96

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Solution

The fourth proportional to 834,408.89, 1,151,506.91 and 471,886.96 is: 651,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,408.89 : 1,151,506.91 = 471,886.96 : x
  2. Step 2: Convert to fraction form
    834,408.89/1,151,506.91 = 471,886.96/x
  3. Step 3: Cross multiply
    834,408.89x = 1,151,506.91 × 471,886.96
  4. Step 4: Simplify right side
    834,408.89x = 543,381,095,178.89
  5. Step 5: Solve for x
    x = 543,381,095,178.89/834,408.89
  6. Step 6: Final answer
    x = 651,216.81

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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.