Home / 819,111.60-1,130,379.26-456,558.48

Finding the Fourth Proportional to 819,111.60, 1,130,379.26 and 456,558.48

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Solution

The fourth proportional to 819,111.60, 1,130,379.26 and 456,558.48 is: 630,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,111.60 : 1,130,379.26 = 456,558.48 : x
  2. Step 2: Convert to fraction form
    819,111.60/1,130,379.26 = 456,558.48/x
  3. Step 3: Cross multiply
    819,111.60x = 1,130,379.26 × 456,558.48
  4. Step 4: Simplify right side
    819,111.60x = 516,084,236,769.13
  5. Step 5: Solve for x
    x = 516,084,236,769.13/819,111.60
  6. Step 6: Final answer
    x = 630,053.63

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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.