Home / 1,172,849.63-1,618,521.55-663,552

Finding the Fourth Proportional to 1,172,849.63, 1,618,521.55 and 663,552

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Solution

The fourth proportional to 1,172,849.63, 1,618,521.55 and 663,552 is: 915,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,849.63 : 1,618,521.55 = 663,552 : x
  2. Step 2: Convert to fraction form
    1,172,849.63/1,618,521.55 = 663,552/x
  3. Step 3: Cross multiply
    1,172,849.63x = 1,618,521.55 × 663,552
  4. Step 4: Simplify right side
    1,172,849.63x = 1,073,973,209,886.72
  5. Step 5: Solve for x
    x = 1,073,973,209,886.72/1,172,849.63
  6. Step 6: Final answer
    x = 915,695.57

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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.