Home / 1,285,358.40-1,928,037.60-655,502.40

Finding the Fourth Proportional to 1,285,358.40, 1,928,037.60 and 655,502.40

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Solution

The fourth proportional to 1,285,358.40, 1,928,037.60 and 655,502.40 is: 983,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,358.40 : 1,928,037.60 = 655,502.40 : x
  2. Step 2: Convert to fraction form
    1,285,358.40/1,928,037.60 = 655,502.40/x
  3. Step 3: Cross multiply
    1,285,358.40x = 1,928,037.60 × 655,502.40
  4. Step 4: Simplify right side
    1,285,358.40x = 1,263,833,274,090.24
  5. Step 5: Solve for x
    x = 1,263,833,274,090.24/1,285,358.40
  6. Step 6: Final answer
    x = 983,253.60

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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.