Home / 834,695.46-1,151,879.81-472,111.51

Finding the Fourth Proportional to 834,695.46, 1,151,879.81 and 472,111.51

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Solution

The fourth proportional to 834,695.46, 1,151,879.81 and 472,111.51 is: 651,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,695.46 : 1,151,879.81 = 472,111.51 : x
  2. Step 2: Convert to fraction form
    834,695.46/1,151,879.81 = 472,111.51/x
  3. Step 3: Cross multiply
    834,695.46x = 1,151,879.81 × 472,111.51
  4. Step 4: Simplify right side
    834,695.46x = 543,815,714,077.06
  5. Step 5: Solve for x
    x = 543,815,714,077.06/834,695.46
  6. Step 6: Final answer
    x = 651,513.93

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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.