Home / 819,083.04-1,130,373.09-456,509.42

Finding the Fourth Proportional to 819,083.04, 1,130,373.09 and 456,509.42

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Solution

The fourth proportional to 819,083.04, 1,130,373.09 and 456,509.42 is: 630,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,083.04 : 1,130,373.09 = 456,509.42 : x
  2. Step 2: Convert to fraction form
    819,083.04/1,130,373.09 = 456,509.42/x
  3. Step 3: Cross multiply
    819,083.04x = 1,130,373.09 × 456,509.42
  4. Step 4: Simplify right side
    819,083.04x = 516,025,962,286.54
  5. Step 5: Solve for x
    x = 516,025,962,286.54/819,083.04
  6. Step 6: Final answer
    x = 630,004.46

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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.