Home / 1,671,844.38-2,307,851.57-1,128,715.89

Finding the Fourth Proportional to 1,671,844.38, 2,307,851.57 and 1,128,715.89

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Solution

The fourth proportional to 1,671,844.38, 2,307,851.57 and 1,128,715.89 is: 1,558,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,844.38 : 2,307,851.57 = 1,128,715.89 : x
  2. Step 2: Convert to fraction form
    1,671,844.38/2,307,851.57 = 1,128,715.89/x
  3. Step 3: Cross multiply
    1,671,844.38x = 2,307,851.57 × 1,128,715.89
  4. Step 4: Simplify right side
    1,671,844.38x = 2,604,908,741,642.24
  5. Step 5: Solve for x
    x = 2,604,908,741,642.24/1,671,844.38
  6. Step 6: Final answer
    x = 1,558,104.79

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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.