Home / 834,407.89-1,151,505.53-471,885.95

Finding the Fourth Proportional to 834,407.89, 1,151,505.53 and 471,885.95

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Solution

The fourth proportional to 834,407.89, 1,151,505.53 and 471,885.95 is: 651,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,407.89 : 1,151,505.53 = 471,885.95 : x
  2. Step 2: Convert to fraction form
    834,407.89/1,151,505.53 = 471,885.95/x
  3. Step 3: Cross multiply
    834,407.89x = 1,151,505.53 × 471,885.95
  4. Step 4: Simplify right side
    834,407.89x = 543,379,281,473.64
  5. Step 5: Solve for x
    x = 543,379,281,473.64/834,407.89
  6. Step 6: Final answer
    x = 651,215.42

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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.