Home / 683,976.10-943,870.55-373,864.77

Finding the Fourth Proportional to 683,976.10, 943,870.55 and 373,864.77

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Solution

The fourth proportional to 683,976.10, 943,870.55 and 373,864.77 is: 515,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,976.10 : 943,870.55 = 373,864.77 : x
  2. Step 2: Convert to fraction form
    683,976.10/943,870.55 = 373,864.77/x
  3. Step 3: Cross multiply
    683,976.10x = 943,870.55 × 373,864.77
  4. Step 4: Simplify right side
    683,976.10x = 352,879,944,660.51
  5. Step 5: Solve for x
    x = 352,879,944,660.51/683,976.10
  6. Step 6: Final answer
    x = 515,924.38

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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.