Home / 1,056,326-1,457,729.88-579,387.76

Finding the Fourth Proportional to 1,056,326, 1,457,729.88 and 579,387.76

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Solution

The fourth proportional to 1,056,326, 1,457,729.88 and 579,387.76 is: 799,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,326 : 1,457,729.88 = 579,387.76 : x
  2. Step 2: Convert to fraction form
    1,056,326/1,457,729.88 = 579,387.76/x
  3. Step 3: Cross multiply
    1,056,326x = 1,457,729.88 × 579,387.76
  4. Step 4: Simplify right side
    1,056,326x = 844,590,849,858.27
  5. Step 5: Solve for x
    x = 844,590,849,858.27/1,056,326
  6. Step 6: Final answer
    x = 799,555.11

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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.