Home / 917,321.28-1,369,272.24-849,779.52

Finding the Fourth Proportional to 917,321.28, 1,369,272.24 and 849,779.52

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Solution

The fourth proportional to 917,321.28, 1,369,272.24 and 849,779.52 is: 1,268,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,321.28 : 1,369,272.24 = 849,779.52 : x
  2. Step 2: Convert to fraction form
    917,321.28/1,369,272.24 = 849,779.52/x
  3. Step 3: Cross multiply
    917,321.28x = 1,369,272.24 × 849,779.52
  4. Step 4: Simplify right side
    917,321.28x = 1,163,579,506,856.52
  5. Step 5: Solve for x
    x = 1,163,579,506,856.52/917,321.28
  6. Step 6: Final answer
    x = 1,268,453.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.