Home / 819,130.01-1,130,404.66-456,576.86

Finding the Fourth Proportional to 819,130.01, 1,130,404.66 and 456,576.86

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Solution

The fourth proportional to 819,130.01, 1,130,404.66 and 456,576.86 is: 630,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,130.01 : 1,130,404.66 = 456,576.86 : x
  2. Step 2: Convert to fraction form
    819,130.01/1,130,404.66 = 456,576.86/x
  3. Step 3: Cross multiply
    819,130.01x = 1,130,404.66 × 456,576.86
  4. Step 4: Simplify right side
    819,130.01x = 516,116,602,257.26
  5. Step 5: Solve for x
    x = 516,116,602,257.26/819,130.01
  6. Step 6: Final answer
    x = 630,078.98

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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.