Home / 819,512.55-1,130,844.56-456,902.37

Finding the Fourth Proportional to 819,512.55, 1,130,844.56 and 456,902.37

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Solution

The fourth proportional to 819,512.55, 1,130,844.56 and 456,902.37 is: 630,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,512.55 : 1,130,844.56 = 456,902.37 : x
  2. Step 2: Convert to fraction form
    819,512.55/1,130,844.56 = 456,902.37/x
  3. Step 3: Cross multiply
    819,512.55x = 1,130,844.56 × 456,902.37
  4. Step 4: Simplify right side
    819,512.55x = 516,685,557,281.10
  5. Step 5: Solve for x
    x = 516,685,557,281.10/819,512.55
  6. Step 6: Final answer
    x = 630,479.13

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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.