Home / 854,409.30-1,281,613.95-841,123.28

Finding the Fourth Proportional to 854,409.30, 1,281,613.95 and 841,123.28

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Solution

The fourth proportional to 854,409.30, 1,281,613.95 and 841,123.28 is: 1,261,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,409.30 : 1,281,613.95 = 841,123.28 : x
  2. Step 2: Convert to fraction form
    854,409.30/1,281,613.95 = 841,123.28/x
  3. Step 3: Cross multiply
    854,409.30x = 1,281,613.95 × 841,123.28
  4. Step 4: Simplify right side
    854,409.30x = 1,077,995,322,909.69
  5. Step 5: Solve for x
    x = 1,077,995,322,909.69/854,409.30
  6. Step 6: Final answer
    x = 1,261,684.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.