Home / 786,491.91-1,082,872.98-714,657.46

Finding the Fourth Proportional to 786,491.91, 1,082,872.98 and 714,657.46

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Solution

The fourth proportional to 786,491.91, 1,082,872.98 and 714,657.46 is: 983,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,491.91 : 1,082,872.98 = 714,657.46 : x
  2. Step 2: Convert to fraction form
    786,491.91/1,082,872.98 = 714,657.46/x
  3. Step 3: Cross multiply
    786,491.91x = 1,082,872.98 × 714,657.46
  4. Step 4: Simplify right side
    786,491.91x = 773,883,253,389.43
  5. Step 5: Solve for x
    x = 773,883,253,389.43/786,491.91
  6. Step 6: Final answer
    x = 983,968.49

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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.