Home / 936,830.22-1,405,439.76-375,908.46

Finding the Fourth Proportional to 936,830.22, 1,405,439.76 and 375,908.46

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Solution

The fourth proportional to 936,830.22, 1,405,439.76 and 375,908.46 is: 563,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,830.22 : 1,405,439.76 = 375,908.46 : x
  2. Step 2: Convert to fraction form
    936,830.22/1,405,439.76 = 375,908.46/x
  3. Step 3: Cross multiply
    936,830.22x = 1,405,439.76 × 375,908.46
  4. Step 4: Simplify right side
    936,830.22x = 528,316,695,804.37
  5. Step 5: Solve for x
    x = 528,316,695,804.37/936,830.22
  6. Step 6: Final answer
    x = 563,940.71

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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.