Home / 1,243,410.47-1,865,115.60-344,852.19

Finding the Fourth Proportional to 1,243,410.47, 1,865,115.60 and 344,852.19

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Solution

The fourth proportional to 1,243,410.47, 1,865,115.60 and 344,852.19 is: 517,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,410.47 : 1,865,115.60 = 344,852.19 : x
  2. Step 2: Convert to fraction form
    1,243,410.47/1,865,115.60 = 344,852.19/x
  3. Step 3: Cross multiply
    1,243,410.47x = 1,865,115.60 × 344,852.19
  4. Step 4: Simplify right side
    1,243,410.47x = 643,189,197,969.97
  5. Step 5: Solve for x
    x = 643,189,197,969.97/1,243,410.47
  6. Step 6: Final answer
    x = 517,278.26

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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.