Home / 819,260.88-1,130,584.80-456,707.76

Finding the Fourth Proportional to 819,260.88, 1,130,584.80 and 456,707.76

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Solution

The fourth proportional to 819,260.88, 1,130,584.80 and 456,707.76 is: 630,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,260.88 : 1,130,584.80 = 456,707.76 : x
  2. Step 2: Convert to fraction form
    819,260.88/1,130,584.80 = 456,707.76/x
  3. Step 3: Cross multiply
    819,260.88x = 1,130,584.80 × 456,707.76
  4. Step 4: Simplify right side
    819,260.88x = 516,346,851,498.05
  5. Step 5: Solve for x
    x = 516,346,851,498.05/819,260.88
  6. Step 6: Final answer
    x = 630,259.38

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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.