Home / 1,191,522.12-1,644,312.20-647,657.57

Finding the Fourth Proportional to 1,191,522.12, 1,644,312.20 and 647,657.57

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Solution

The fourth proportional to 1,191,522.12, 1,644,312.20 and 647,657.57 is: 893,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,522.12 : 1,644,312.20 = 647,657.57 : x
  2. Step 2: Convert to fraction form
    1,191,522.12/1,644,312.20 = 647,657.57/x
  3. Step 3: Cross multiply
    1,191,522.12x = 1,644,312.20 × 647,657.57
  4. Step 4: Simplify right side
    1,191,522.12x = 1,064,951,243,773.35
  5. Step 5: Solve for x
    x = 1,064,951,243,773.35/1,191,522.12
  6. Step 6: Final answer
    x = 893,773.79

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1.5x scale

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.