Home / 814,806.69-1,124,639.92-556,788.07

Finding the Fourth Proportional to 814,806.69, 1,124,639.92 and 556,788.07

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Solution

The fourth proportional to 814,806.69, 1,124,639.92 and 556,788.07 is: 768,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,806.69 : 1,124,639.92 = 556,788.07 : x
  2. Step 2: Convert to fraction form
    814,806.69/1,124,639.92 = 556,788.07/x
  3. Step 3: Cross multiply
    814,806.69x = 1,124,639.92 × 556,788.07
  4. Step 4: Simplify right side
    814,806.69x = 626,186,090,501.75
  5. Step 5: Solve for x
    x = 626,186,090,501.75/814,806.69
  6. Step 6: Final answer
    x = 768,508.77

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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.