Home / 1,690,699-2,333,403.30-1,046,326.72

Finding the Fourth Proportional to 1,690,699, 2,333,403.30 and 1,046,326.72

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Solution

The fourth proportional to 1,690,699, 2,333,403.30 and 1,046,326.72 is: 1,444,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,699 : 2,333,403.30 = 1,046,326.72 : x
  2. Step 2: Convert to fraction form
    1,690,699/2,333,403.30 = 1,046,326.72/x
  3. Step 3: Cross multiply
    1,690,699x = 2,333,403.30 × 1,046,326.72
  4. Step 4: Simplify right side
    1,690,699x = 2,441,502,221,326.18
  5. Step 5: Solve for x
    x = 2,441,502,221,326.18/1,690,699
  6. Step 6: Final answer
    x = 1,444,078.59

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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.