Home / 745,505.89-1,028,661.47-439,677.97

Finding the Fourth Proportional to 745,505.89, 1,028,661.47 and 439,677.97

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Solution

The fourth proportional to 745,505.89, 1,028,661.47 and 439,677.97 is: 606,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,505.89 : 1,028,661.47 = 439,677.97 : x
  2. Step 2: Convert to fraction form
    745,505.89/1,028,661.47 = 439,677.97/x
  3. Step 3: Cross multiply
    745,505.89x = 1,028,661.47 × 439,677.97
  4. Step 4: Simplify right side
    745,505.89x = 452,279,784,748.43
  5. Step 5: Solve for x
    x = 452,279,784,748.43/745,505.89
  6. Step 6: Final answer
    x = 606,675.00

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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.