Home / 1,055,285.20-1,584,094.20-656,376.40

Finding the Fourth Proportional to 1,055,285.20, 1,584,094.20 and 656,376.40

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Solution

The fourth proportional to 1,055,285.20, 1,584,094.20 and 656,376.40 is: 985,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,285.20 : 1,584,094.20 = 656,376.40 : x
  2. Step 2: Convert to fraction form
    1,055,285.20/1,584,094.20 = 656,376.40/x
  3. Step 3: Cross multiply
    1,055,285.20x = 1,584,094.20 × 656,376.40
  4. Step 4: Simplify right side
    1,055,285.20x = 1,039,762,048,256.88
  5. Step 5: Solve for x
    x = 1,039,762,048,256.88/1,055,285.20
  6. Step 6: Final answer
    x = 985,290.09

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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.