Home / 1,868,892.35-2,803,496.57-521,056.09

Finding the Fourth Proportional to 1,868,892.35, 2,803,496.57 and 521,056.09

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Solution

The fourth proportional to 1,868,892.35, 2,803,496.57 and 521,056.09 is: 781,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,892.35 : 2,803,496.57 = 521,056.09 : x
  2. Step 2: Convert to fraction form
    1,868,892.35/2,803,496.57 = 521,056.09/x
  3. Step 3: Cross multiply
    1,868,892.35x = 2,803,496.57 × 521,056.09
  4. Step 4: Simplify right side
    1,868,892.35x = 1,460,778,963,945.66
  5. Step 5: Solve for x
    x = 1,460,778,963,945.66/1,868,892.35
  6. Step 6: Final answer
    x = 781,628.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.