Home / 684,640.16-1,026,983.66-235,357.19

Finding the Fourth Proportional to 684,640.16, 1,026,983.66 and 235,357.19

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Solution

The fourth proportional to 684,640.16, 1,026,983.66 and 235,357.19 is: 353,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,640.16 : 1,026,983.66 = 235,357.19 : x
  2. Step 2: Convert to fraction form
    684,640.16/1,026,983.66 = 235,357.19/x
  3. Step 3: Cross multiply
    684,640.16x = 1,026,983.66 × 235,357.19
  4. Step 4: Simplify right side
    684,640.16x = 241,707,985,826.06
  5. Step 5: Solve for x
    x = 241,707,985,826.06/684,640.16
  6. Step 6: Final answer
    x = 353,043.83

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1.5x scale

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.