Home / 1,676,141.64-2,313,031.14-912,178.80

Finding the Fourth Proportional to 1,676,141.64, 2,313,031.14 and 912,178.80

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Solution

The fourth proportional to 1,676,141.64, 2,313,031.14 and 912,178.80 is: 1,258,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,141.64 : 2,313,031.14 = 912,178.80 : x
  2. Step 2: Convert to fraction form
    1,676,141.64/2,313,031.14 = 912,178.80/x
  3. Step 3: Cross multiply
    1,676,141.64x = 2,313,031.14 × 912,178.80
  4. Step 4: Simplify right side
    1,676,141.64x = 2,109,897,969,647.83
  5. Step 5: Solve for x
    x = 2,109,897,969,647.83/1,676,141.64
  6. Step 6: Final answer
    x = 1,258,782.62

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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.