Home / 1,067,133.77-1,472,628.53-637,330.86

Finding the Fourth Proportional to 1,067,133.77, 1,472,628.53 and 637,330.86

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Solution

The fourth proportional to 1,067,133.77, 1,472,628.53 and 637,330.86 is: 879,506.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,133.77 : 1,472,628.53 = 637,330.86 : x
  2. Step 2: Convert to fraction form
    1,067,133.77/1,472,628.53 = 637,330.86/x
  3. Step 3: Cross multiply
    1,067,133.77x = 1,472,628.53 × 637,330.86
  4. Step 4: Simplify right side
    1,067,133.77x = 938,551,604,298.78
  5. Step 5: Solve for x
    x = 938,551,604,298.78/1,067,133.77
  6. Step 6: Final answer
    x = 879,506.99

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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.