Home / 1,083,980.46-1,495,290.34-853,689.36

Finding the Fourth Proportional to 1,083,980.46, 1,495,290.34 and 853,689.36

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Solution

The fourth proportional to 1,083,980.46, 1,495,290.34 and 853,689.36 is: 1,177,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,980.46 : 1,495,290.34 = 853,689.36 : x
  2. Step 2: Convert to fraction form
    1,083,980.46/1,495,290.34 = 853,689.36/x
  3. Step 3: Cross multiply
    1,083,980.46x = 1,495,290.34 × 853,689.36
  4. Step 4: Simplify right side
    1,083,980.46x = 1,276,513,453,368.78
  5. Step 5: Solve for x
    x = 1,276,513,453,368.78/1,083,980.46
  6. Step 6: Final answer
    x = 1,177,616.66

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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.