Home / 751,417.22-1,036,998.18-445,674.62

Finding the Fourth Proportional to 751,417.22, 1,036,998.18 and 445,674.62

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Solution

The fourth proportional to 751,417.22, 1,036,998.18 and 445,674.62 is: 615,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,417.22 : 1,036,998.18 = 445,674.62 : x
  2. Step 2: Convert to fraction form
    751,417.22/1,036,998.18 = 445,674.62/x
  3. Step 3: Cross multiply
    751,417.22x = 1,036,998.18 × 445,674.62
  4. Step 4: Simplify right side
    751,417.22x = 462,163,769,812.19
  5. Step 5: Solve for x
    x = 462,163,769,812.19/751,417.22
  6. Step 6: Final answer
    x = 615,056.13

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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.