Home / 1,232,085.87-1,700,284.42-688,244.58

Finding the Fourth Proportional to 1,232,085.87, 1,700,284.42 and 688,244.58

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Solution

The fourth proportional to 1,232,085.87, 1,700,284.42 and 688,244.58 is: 949,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,085.87 : 1,700,284.42 = 688,244.58 : x
  2. Step 2: Convert to fraction form
    1,232,085.87/1,700,284.42 = 688,244.58/x
  3. Step 3: Cross multiply
    1,232,085.87x = 1,700,284.42 × 688,244.58
  4. Step 4: Simplify right side
    1,232,085.87x = 1,170,211,524,580.80
  5. Step 5: Solve for x
    x = 1,170,211,524,580.80/1,232,085.87
  6. Step 6: Final answer
    x = 949,780.82

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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.