Home / 753,945.04-1,040,507.40-414,477.28

Finding the Fourth Proportional to 753,945.04, 1,040,507.40 and 414,477.28

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Solution

The fourth proportional to 753,945.04, 1,040,507.40 and 414,477.28 is: 572,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,945.04 : 1,040,507.40 = 414,477.28 : x
  2. Step 2: Convert to fraction form
    753,945.04/1,040,507.40 = 414,477.28/x
  3. Step 3: Cross multiply
    753,945.04x = 1,040,507.40 × 414,477.28
  4. Step 4: Simplify right side
    753,945.04x = 431,266,676,971.87
  5. Step 5: Solve for x
    x = 431,266,676,971.87/753,945.04
  6. Step 6: Final answer
    x = 572,013.41

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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.