Home / 1,316,057.63-1,816,160.13-712,445.63

Finding the Fourth Proportional to 1,316,057.63, 1,816,160.13 and 712,445.63

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Solution

The fourth proportional to 1,316,057.63, 1,816,160.13 and 712,445.63 is: 983,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,057.63 : 1,816,160.13 = 712,445.63 : x
  2. Step 2: Convert to fraction form
    1,316,057.63/1,816,160.13 = 712,445.63/x
  3. Step 3: Cross multiply
    1,316,057.63x = 1,816,160.13 × 712,445.63
  4. Step 4: Simplify right side
    1,316,057.63x = 1,293,915,338,917.93
  5. Step 5: Solve for x
    x = 1,293,915,338,917.93/1,316,057.63
  6. Step 6: Final answer
    x = 983,175.29

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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.