Home / 851,483.19-1,174,986.77-469,501.77

Finding the Fourth Proportional to 851,483.19, 1,174,986.77 and 469,501.77

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Solution

The fourth proportional to 851,483.19, 1,174,986.77 and 469,501.77 is: 647,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,483.19 : 1,174,986.77 = 469,501.77 : x
  2. Step 2: Convert to fraction form
    851,483.19/1,174,986.77 = 469,501.77/x
  3. Step 3: Cross multiply
    851,483.19x = 1,174,986.77 × 469,501.77
  4. Step 4: Simplify right side
    851,483.19x = 551,658,368,241.58
  5. Step 5: Solve for x
    x = 551,658,368,241.58/851,483.19
  6. Step 6: Final answer
    x = 647,879.34

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1.5x scale

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.