Home / 926,872.20-1,387,586.70-691,259.40

Finding the Fourth Proportional to 926,872.20, 1,387,586.70 and 691,259.40

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Solution

The fourth proportional to 926,872.20, 1,387,586.70 and 691,259.40 is: 1,034,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,872.20 : 1,387,586.70 = 691,259.40 : x
  2. Step 2: Convert to fraction form
    926,872.20/1,387,586.70 = 691,259.40/x
  3. Step 3: Cross multiply
    926,872.20x = 1,387,586.70 × 691,259.40
  4. Step 4: Simplify right side
    926,872.20x = 959,182,349,689.98
  5. Step 5: Solve for x
    x = 959,182,349,689.98/926,872.20
  6. Step 6: Final answer
    x = 1,034,859.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.