Home / 761,214.79-1,141,464.61-441,457.53

Finding the Fourth Proportional to 761,214.79, 1,141,464.61 and 441,457.53

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Solution

The fourth proportional to 761,214.79, 1,141,464.61 and 441,457.53 is: 661,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,214.79 : 1,141,464.61 = 441,457.53 : x
  2. Step 2: Convert to fraction form
    761,214.79/1,141,464.61 = 441,457.53/x
  3. Step 3: Cross multiply
    761,214.79x = 1,141,464.61 × 441,457.53
  4. Step 4: Simplify right side
    761,214.79x = 503,908,147,313.01
  5. Step 5: Solve for x
    x = 503,908,147,313.01/761,214.79
  6. Step 6: Final answer
    x = 661,978.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.