Home / 670,233.60-1,005,350.40-641,203.20

Finding the Fourth Proportional to 670,233.60, 1,005,350.40 and 641,203.20

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Solution

The fourth proportional to 670,233.60, 1,005,350.40 and 641,203.20 is: 961,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,233.60 : 1,005,350.40 = 641,203.20 : x
  2. Step 2: Convert to fraction form
    670,233.60/1,005,350.40 = 641,203.20/x
  3. Step 3: Cross multiply
    670,233.60x = 1,005,350.40 × 641,203.20
  4. Step 4: Simplify right side
    670,233.60x = 644,633,893,601.28
  5. Step 5: Solve for x
    x = 644,633,893,601.28/670,233.60
  6. Step 6: Final answer
    x = 961,804.80

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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.