Home / 758,372.54-1,046,547.69-418,833.50

Finding the Fourth Proportional to 758,372.54, 1,046,547.69 and 418,833.50

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Solution

The fourth proportional to 758,372.54, 1,046,547.69 and 418,833.50 is: 577,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,372.54 : 1,046,547.69 = 418,833.50 : x
  2. Step 2: Convert to fraction form
    758,372.54/1,046,547.69 = 418,833.50/x
  3. Step 3: Cross multiply
    758,372.54x = 1,046,547.69 × 418,833.50
  4. Step 4: Simplify right side
    758,372.54x = 438,329,231,919.62
  5. Step 5: Solve for x
    x = 438,329,231,919.62/758,372.54
  6. Step 6: Final answer
    x = 577,986.69

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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.