Home / 819,157.28-1,130,444.56-451,647.60

Finding the Fourth Proportional to 819,157.28, 1,130,444.56 and 451,647.60

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Solution

The fourth proportional to 819,157.28, 1,130,444.56 and 451,647.60 is: 623,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,157.28 : 1,130,444.56 = 451,647.60 : x
  2. Step 2: Convert to fraction form
    819,157.28/1,130,444.56 = 451,647.60/x
  3. Step 3: Cross multiply
    819,157.28x = 1,130,444.56 × 451,647.60
  4. Step 4: Simplify right side
    819,157.28x = 510,562,572,457.06
  5. Step 5: Solve for x
    x = 510,562,572,457.06/819,157.28
  6. Step 6: Final answer
    x = 623,277.83

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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.