Home / 1,259,880.30-1,888,483.68-619,280.64

Finding the Fourth Proportional to 1,259,880.30, 1,888,483.68 and 619,280.64

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Solution

The fourth proportional to 1,259,880.30, 1,888,483.68 and 619,280.64 is: 928,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,880.30 : 1,888,483.68 = 619,280.64 : x
  2. Step 2: Convert to fraction form
    1,259,880.30/1,888,483.68 = 619,280.64/x
  3. Step 3: Cross multiply
    1,259,880.30x = 1,888,483.68 × 619,280.64
  4. Step 4: Simplify right side
    1,259,880.30x = 1,169,501,381,979.96
  5. Step 5: Solve for x
    x = 1,169,501,381,979.96/1,259,880.30
  6. Step 6: Final answer
    x = 928,263.89

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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.