Home / 1,200,690.19-1,657,042.37-684,456.39

Finding the Fourth Proportional to 1,200,690.19, 1,657,042.37 and 684,456.39

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Solution

The fourth proportional to 1,200,690.19, 1,657,042.37 and 684,456.39 is: 944,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,690.19 : 1,657,042.37 = 684,456.39 : x
  2. Step 2: Convert to fraction form
    1,200,690.19/1,657,042.37 = 684,456.39/x
  3. Step 3: Cross multiply
    1,200,690.19x = 1,657,042.37 × 684,456.39
  4. Step 4: Simplify right side
    1,200,690.19x = 1,134,173,240,358.39
  5. Step 5: Solve for x
    x = 1,134,173,240,358.39/1,200,690.19
  6. Step 6: Final answer
    x = 944,601.07

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Double scale
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1.5x scale

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.