Home / 985,208.54-1,358,800.58-679,214.77

Finding the Fourth Proportional to 985,208.54, 1,358,800.58 and 679,214.77

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Solution

The fourth proportional to 985,208.54, 1,358,800.58 and 679,214.77 is: 936,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,208.54 : 1,358,800.58 = 679,214.77 : x
  2. Step 2: Convert to fraction form
    985,208.54/1,358,800.58 = 679,214.77/x
  3. Step 3: Cross multiply
    985,208.54x = 1,358,800.58 × 679,214.77
  4. Step 4: Simplify right side
    985,208.54x = 922,917,421,721.60
  5. Step 5: Solve for x
    x = 922,917,421,721.60/985,208.54
  6. Step 6: Final answer
    x = 936,773.68

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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.