Home / 1,426,752.36-1,968,934.32-814,986

Finding the Fourth Proportional to 1,426,752.36, 1,968,934.32 and 814,986

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Solution

The fourth proportional to 1,426,752.36, 1,968,934.32 and 814,986 is: 1,124,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,752.36 : 1,968,934.32 = 814,986 : x
  2. Step 2: Convert to fraction form
    1,426,752.36/1,968,934.32 = 814,986/x
  3. Step 3: Cross multiply
    1,426,752.36x = 1,968,934.32 × 814,986
  4. Step 4: Simplify right side
    1,426,752.36x = 1,604,653,905,719.52
  5. Step 5: Solve for x
    x = 1,604,653,905,719.52/1,426,752.36
  6. Step 6: Final answer
    x = 1,124,689.86

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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.