Home / 974,379.85-1,343,977.01-635,307.37

Finding the Fourth Proportional to 974,379.85, 1,343,977.01 and 635,307.37

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Solution

The fourth proportional to 974,379.85, 1,343,977.01 and 635,307.37 is: 876,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,379.85 : 1,343,977.01 = 635,307.37 : x
  2. Step 2: Convert to fraction form
    974,379.85/1,343,977.01 = 635,307.37/x
  3. Step 3: Cross multiply
    974,379.85x = 1,343,977.01 × 635,307.37
  4. Step 4: Simplify right side
    974,379.85x = 853,838,495,409.49
  5. Step 5: Solve for x
    x = 853,838,495,409.49/974,379.85
  6. Step 6: Final answer
    x = 876,289.16

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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.