Home / 1,113,959.21-1,537,151.52-630,440.17

Finding the Fourth Proportional to 1,113,959.21, 1,537,151.52 and 630,440.17

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Solution

The fourth proportional to 1,113,959.21, 1,537,151.52 and 630,440.17 is: 869,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,959.21 : 1,537,151.52 = 630,440.17 : x
  2. Step 2: Convert to fraction form
    1,113,959.21/1,537,151.52 = 630,440.17/x
  3. Step 3: Cross multiply
    1,113,959.21x = 1,537,151.52 × 630,440.17
  4. Step 4: Simplify right side
    1,113,959.21x = 969,082,065,584.56
  5. Step 5: Solve for x
    x = 969,082,065,584.56/1,113,959.21
  6. Step 6: Final answer
    x = 869,943.94

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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.