Home / 1,676,288.60-2,313,278.28-912,347.72

Finding the Fourth Proportional to 1,676,288.60, 2,313,278.28 and 912,347.72

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Solution

The fourth proportional to 1,676,288.60, 2,313,278.28 and 912,347.72 is: 1,259,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,288.60 : 2,313,278.28 = 912,347.72 : x
  2. Step 2: Convert to fraction form
    1,676,288.60/2,313,278.28 = 912,347.72/x
  3. Step 3: Cross multiply
    1,676,288.60x = 2,313,278.28 × 912,347.72
  4. Step 4: Simplify right side
    1,676,288.60x = 2,110,514,164,483.52
  5. Step 5: Solve for x
    x = 2,110,514,164,483.52/1,676,288.60
  6. Step 6: Final answer
    x = 1,259,039.86

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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.