Home / 691,804.20-1,037,706.30-614,821.80

Finding the Fourth Proportional to 691,804.20, 1,037,706.30 and 614,821.80

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Solution

The fourth proportional to 691,804.20, 1,037,706.30 and 614,821.80 is: 922,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,804.20 : 1,037,706.30 = 614,821.80 : x
  2. Step 2: Convert to fraction form
    691,804.20/1,037,706.30 = 614,821.80/x
  3. Step 3: Cross multiply
    691,804.20x = 1,037,706.30 × 614,821.80
  4. Step 4: Simplify right side
    691,804.20x = 638,004,455,237.34
  5. Step 5: Solve for x
    x = 638,004,455,237.34/691,804.20
  6. Step 6: Final answer
    x = 922,232.70

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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.