Home / 1,019,542.64-1,406,945.94-554,386.48

Finding the Fourth Proportional to 1,019,542.64, 1,406,945.94 and 554,386.48

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Solution

The fourth proportional to 1,019,542.64, 1,406,945.94 and 554,386.48 is: 765,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,542.64 : 1,406,945.94 = 554,386.48 : x
  2. Step 2: Convert to fraction form
    1,019,542.64/1,406,945.94 = 554,386.48/x
  3. Step 3: Cross multiply
    1,019,542.64x = 1,406,945.94 × 554,386.48
  4. Step 4: Simplify right side
    1,019,542.64x = 779,991,807,226.89
  5. Step 5: Solve for x
    x = 779,991,807,226.89/1,019,542.64
  6. Step 6: Final answer
    x = 765,040.89

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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.