Home / 1,232,364.80-1,700,602.56-688,392.64

Finding the Fourth Proportional to 1,232,364.80, 1,700,602.56 and 688,392.64

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Solution

The fourth proportional to 1,232,364.80, 1,700,602.56 and 688,392.64 is: 949,947.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,364.80 : 1,700,602.56 = 688,392.64 : x
  2. Step 2: Convert to fraction form
    1,232,364.80/1,700,602.56 = 688,392.64/x
  3. Step 3: Cross multiply
    1,232,364.80x = 1,700,602.56 × 688,392.64
  4. Step 4: Simplify right side
    1,232,364.80x = 1,170,682,285,869.16
  5. Step 5: Solve for x
    x = 1,170,682,285,869.16/1,232,364.80
  6. Step 6: Final answer
    x = 949,947.84

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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.