Home / 935,577.11-1,291,088.89-543,146.48

Finding the Fourth Proportional to 935,577.11, 1,291,088.89 and 543,146.48

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Solution

The fourth proportional to 935,577.11, 1,291,088.89 and 543,146.48 is: 749,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,577.11 : 1,291,088.89 = 543,146.48 : x
  2. Step 2: Convert to fraction form
    935,577.11/1,291,088.89 = 543,146.48/x
  3. Step 3: Cross multiply
    935,577.11x = 1,291,088.89 × 543,146.48
  4. Step 4: Simplify right side
    935,577.11x = 701,250,382,456.31
  5. Step 5: Solve for x
    x = 701,250,382,456.31/935,577.11
  6. Step 6: Final answer
    x = 749,537.77

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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.