Home / 1,259,881.30-1,888,485.18-619,281.64

Finding the Fourth Proportional to 1,259,881.30, 1,888,485.18 and 619,281.64

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Solution

The fourth proportional to 1,259,881.30, 1,888,485.18 and 619,281.64 is: 928,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,881.30 : 1,888,485.18 = 619,281.64 : x
  2. Step 2: Convert to fraction form
    1,259,881.30/1,888,485.18 = 619,281.64/x
  3. Step 3: Cross multiply
    1,259,881.30x = 1,888,485.18 × 619,281.64
  4. Step 4: Simplify right side
    1,259,881.30x = 1,169,504,199,386.10
  5. Step 5: Solve for x
    x = 1,169,504,199,386.10/1,259,881.30
  6. Step 6: Final answer
    x = 928,265.38

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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.