Home / 1,273,935-1,911,197.76-432,486.75

Finding the Fourth Proportional to 1,273,935, 1,911,197.76 and 432,486.75

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Solution

The fourth proportional to 1,273,935, 1,911,197.76 and 432,486.75 is: 648,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,935 : 1,911,197.76 = 432,486.75 : x
  2. Step 2: Convert to fraction form
    1,273,935/1,911,197.76 = 432,486.75/x
  3. Step 3: Cross multiply
    1,273,935x = 1,911,197.76 × 432,486.75
  4. Step 4: Simplify right side
    1,273,935x = 826,567,707,829.68
  5. Step 5: Solve for x
    x = 826,567,707,829.68/1,273,935
  6. Step 6: Final answer
    x = 648,830.36

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1.5x scale

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.