Home / 423,516.36-634,884.60-183,479.40

Finding the Fourth Proportional to 423,516.36, 634,884.60 and 183,479.40

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Solution

The fourth proportional to 423,516.36, 634,884.60 and 183,479.40 is: 275,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,516.36 : 634,884.60 = 183,479.40 : x
  2. Step 2: Convert to fraction form
    423,516.36/634,884.60 = 183,479.40/x
  3. Step 3: Cross multiply
    423,516.36x = 634,884.60 × 183,479.40
  4. Step 4: Simplify right side
    423,516.36x = 116,488,245,477.24
  5. Step 5: Solve for x
    x = 116,488,245,477.24/423,516.36
  6. Step 6: Final answer
    x = 275,050.17

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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.