Home / 718,133.79-1,077,329.57-297,442.11

Finding the Fourth Proportional to 718,133.79, 1,077,329.57 and 297,442.11

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Solution

The fourth proportional to 718,133.79, 1,077,329.57 and 297,442.11 is: 446,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,133.79 : 1,077,329.57 = 297,442.11 : x
  2. Step 2: Convert to fraction form
    718,133.79/1,077,329.57 = 297,442.11/x
  3. Step 3: Cross multiply
    718,133.79x = 1,077,329.57 × 297,442.11
  4. Step 4: Simplify right side
    718,133.79x = 320,443,178,978.98
  5. Step 5: Solve for x
    x = 320,443,178,978.98/718,133.79
  6. Step 6: Final answer
    x = 446,216.55

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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.