Home / 1,690,949.78-2,333,502.08-916,577.52

Finding the Fourth Proportional to 1,690,949.78, 2,333,502.08 and 916,577.52

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Solution

The fourth proportional to 1,690,949.78, 2,333,502.08 and 916,577.52 is: 1,264,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,949.78 : 2,333,502.08 = 916,577.52 : x
  2. Step 2: Convert to fraction form
    1,690,949.78/2,333,502.08 = 916,577.52/x
  3. Step 3: Cross multiply
    1,690,949.78x = 2,333,502.08 × 916,577.52
  4. Step 4: Simplify right side
    1,690,949.78x = 2,138,835,549,401.24
  5. Step 5: Solve for x
    x = 2,138,835,549,401.24/1,690,949.78
  6. Step 6: Final answer
    x = 1,264,872.31

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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.