Home / 1,669,886.64-2,304,444.40-905,940

Finding the Fourth Proportional to 1,669,886.64, 2,304,444.40 and 905,940

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Solution

The fourth proportional to 1,669,886.64, 2,304,444.40 and 905,940 is: 1,250,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,886.64 : 2,304,444.40 = 905,940 : x
  2. Step 2: Convert to fraction form
    1,669,886.64/2,304,444.40 = 905,940/x
  3. Step 3: Cross multiply
    1,669,886.64x = 2,304,444.40 × 905,940
  4. Step 4: Simplify right side
    1,669,886.64x = 2,087,688,359,736
  5. Step 5: Solve for x
    x = 2,087,688,359,736/1,669,886.64
  6. Step 6: Final answer
    x = 1,250,197.65

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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.