Home / 1,252,419.48-1,728,224.64-708,604.92

Finding the Fourth Proportional to 1,252,419.48, 1,728,224.64 and 708,604.92

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Solution

The fourth proportional to 1,252,419.48, 1,728,224.64 and 708,604.92 is: 977,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,419.48 : 1,728,224.64 = 708,604.92 : x
  2. Step 2: Convert to fraction form
    1,252,419.48/1,728,224.64 = 708,604.92/x
  3. Step 3: Cross multiply
    1,252,419.48x = 1,728,224.64 × 708,604.92
  4. Step 4: Simplify right side
    1,252,419.48x = 1,224,628,482,769.23
  5. Step 5: Solve for x
    x = 1,224,628,482,769.23/1,252,419.48
  6. Step 6: Final answer
    x = 977,810.15

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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.