Home / 819,131.01-1,130,406.04-456,577.86

Finding the Fourth Proportional to 819,131.01, 1,130,406.04 and 456,577.86

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Solution

The fourth proportional to 819,131.01, 1,130,406.04 and 456,577.86 is: 630,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,131.01 : 1,130,406.04 = 456,577.86 : x
  2. Step 2: Convert to fraction form
    819,131.01/1,130,406.04 = 456,577.86/x
  3. Step 3: Cross multiply
    819,131.01x = 1,130,406.04 × 456,577.86
  4. Step 4: Simplify right side
    819,131.01x = 516,118,370,674.27
  5. Step 5: Solve for x
    x = 516,118,370,674.27/819,131.01
  6. Step 6: Final answer
    x = 630,080.37

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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.