Home / 1,185,563.86-1,778,347.06-554,920.54

Finding the Fourth Proportional to 1,185,563.86, 1,778,347.06 and 554,920.54

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Solution

The fourth proportional to 1,185,563.86, 1,778,347.06 and 554,920.54 is: 832,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,563.86 : 1,778,347.06 = 554,920.54 : x
  2. Step 2: Convert to fraction form
    1,185,563.86/1,778,347.06 = 554,920.54/x
  3. Step 3: Cross multiply
    1,185,563.86x = 1,778,347.06 × 554,920.54
  4. Step 4: Simplify right side
    1,185,563.86x = 986,841,305,009.44
  5. Step 5: Solve for x
    x = 986,841,305,009.44/1,185,563.86
  6. Step 6: Final answer
    x = 832,381.40

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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.