Home / 986,055.72-1,360,755.90-533,345.64

Finding the Fourth Proportional to 986,055.72, 1,360,755.90 and 533,345.64

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Solution

The fourth proportional to 986,055.72, 1,360,755.90 and 533,345.64 is: 736,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,055.72 : 1,360,755.90 = 533,345.64 : x
  2. Step 2: Convert to fraction form
    986,055.72/1,360,755.90 = 533,345.64/x
  3. Step 3: Cross multiply
    986,055.72x = 1,360,755.90 × 533,345.64
  4. Step 4: Simplify right side
    986,055.72x = 725,753,226,369.28
  5. Step 5: Solve for x
    x = 725,753,226,369.28/986,055.72
  6. Step 6: Final answer
    x = 736,016.45

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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.