Home / 1,368,547.12-1,888,561.58-756,684.34

Finding the Fourth Proportional to 1,368,547.12, 1,888,561.58 and 756,684.34

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Solution

The fourth proportional to 1,368,547.12, 1,888,561.58 and 756,684.34 is: 1,044,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,547.12 : 1,888,561.58 = 756,684.34 : x
  2. Step 2: Convert to fraction form
    1,368,547.12/1,888,561.58 = 756,684.34/x
  3. Step 3: Cross multiply
    1,368,547.12x = 1,888,561.58 × 756,684.34
  4. Step 4: Simplify right side
    1,368,547.12x = 1,429,044,972,711.66
  5. Step 5: Solve for x
    x = 1,429,044,972,711.66/1,368,547.12
  6. Step 6: Final answer
    x = 1,044,205.90

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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.