Home / 740,550.12-1,021,194.72-633,474.60

Finding the Fourth Proportional to 740,550.12, 1,021,194.72 and 633,474.60

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Solution

The fourth proportional to 740,550.12, 1,021,194.72 and 633,474.60 is: 873,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,550.12 : 1,021,194.72 = 633,474.60 : x
  2. Step 2: Convert to fraction form
    740,550.12/1,021,194.72 = 633,474.60/x
  3. Step 3: Cross multiply
    740,550.12x = 1,021,194.72 × 633,474.60
  4. Step 4: Simplify right side
    740,550.12x = 646,900,916,774.11
  5. Step 5: Solve for x
    x = 646,900,916,774.11/740,550.12
  6. Step 6: Final answer
    x = 873,541.03

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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.