Home / 744,696.60-1,117,088.10-212,256.60

Finding the Fourth Proportional to 744,696.60, 1,117,088.10 and 212,256.60

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Solution

The fourth proportional to 744,696.60, 1,117,088.10 and 212,256.60 is: 318,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,696.60 : 1,117,088.10 = 212,256.60 : x
  2. Step 2: Convert to fraction form
    744,696.60/1,117,088.10 = 212,256.60/x
  3. Step 3: Cross multiply
    744,696.60x = 1,117,088.10 × 212,256.60
  4. Step 4: Simplify right side
    744,696.60x = 237,109,322,006.46
  5. Step 5: Solve for x
    x = 237,109,322,006.46/744,696.60
  6. Step 6: Final answer
    x = 318,397.21

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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.