Home / 1,004,784.84-1,386,407.61-641,929.95

Finding the Fourth Proportional to 1,004,784.84, 1,386,407.61 and 641,929.95

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Solution

The fourth proportional to 1,004,784.84, 1,386,407.61 and 641,929.95 is: 885,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,784.84 : 1,386,407.61 = 641,929.95 : x
  2. Step 2: Convert to fraction form
    1,004,784.84/1,386,407.61 = 641,929.95/x
  3. Step 3: Cross multiply
    1,004,784.84x = 1,386,407.61 × 641,929.95
  4. Step 4: Simplify right side
    1,004,784.84x = 889,976,567,766.92
  5. Step 5: Solve for x
    x = 889,976,567,766.92/1,004,784.84
  6. Step 6: Final answer
    x = 885,738.45

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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.