Home / 948,273.64-1,309,695.44-637,635.81

Finding the Fourth Proportional to 948,273.64, 1,309,695.44 and 637,635.81

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Solution

The fourth proportional to 948,273.64, 1,309,695.44 and 637,635.81 is: 880,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,273.64 : 1,309,695.44 = 637,635.81 : x
  2. Step 2: Convert to fraction form
    948,273.64/1,309,695.44 = 637,635.81/x
  3. Step 3: Cross multiply
    948,273.64x = 1,309,695.44 × 637,635.81
  4. Step 4: Simplify right side
    948,273.64x = 835,108,712,737.71
  5. Step 5: Solve for x
    x = 835,108,712,737.71/948,273.64
  6. Step 6: Final answer
    x = 880,662.16

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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.