Home / 936,830.80-1,405,902.30-404,733.70

Finding the Fourth Proportional to 936,830.80, 1,405,902.30 and 404,733.70

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Solution

The fourth proportional to 936,830.80, 1,405,902.30 and 404,733.70 is: 607,384.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,830.80 : 1,405,902.30 = 404,733.70 : x
  2. Step 2: Convert to fraction form
    936,830.80/1,405,902.30 = 404,733.70/x
  3. Step 3: Cross multiply
    936,830.80x = 1,405,902.30 × 404,733.70
  4. Step 4: Simplify right side
    936,830.80x = 569,016,039,717.51
  5. Step 5: Solve for x
    x = 569,016,039,717.51/936,830.80
  6. Step 6: Final answer
    x = 607,384.00

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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.