Home / 1,690,938.28-2,333,486.23-916,566

Finding the Fourth Proportional to 1,690,938.28, 2,333,486.23 and 916,566

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Solution

The fourth proportional to 1,690,938.28, 2,333,486.23 and 916,566 is: 1,264,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,938.28 : 2,333,486.23 = 916,566 : x
  2. Step 2: Convert to fraction form
    1,690,938.28/2,333,486.23 = 916,566/x
  3. Step 3: Cross multiply
    1,690,938.28x = 2,333,486.23 × 916,566
  4. Step 4: Simplify right side
    1,690,938.28x = 2,138,794,139,886.18
  5. Step 5: Solve for x
    x = 2,138,794,139,886.18/1,690,938.28
  6. Step 6: Final answer
    x = 1,264,856.42

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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.