Home / 977,086.32-1,348,288.92-547,384.56

Finding the Fourth Proportional to 977,086.32, 1,348,288.92 and 547,384.56

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Solution

The fourth proportional to 977,086.32, 1,348,288.92 and 547,384.56 is: 755,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,086.32 : 1,348,288.92 = 547,384.56 : x
  2. Step 2: Convert to fraction form
    977,086.32/1,348,288.92 = 547,384.56/x
  3. Step 3: Cross multiply
    977,086.32x = 1,348,288.92 × 547,384.56
  4. Step 4: Simplify right side
    977,086.32x = 738,032,537,227.08
  5. Step 5: Solve for x
    x = 738,032,537,227.08/977,086.32
  6. Step 6: Final answer
    x = 755,340.16

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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.