Home / 1,285,285.50-1,927,928.13-565,627.20

Finding the Fourth Proportional to 1,285,285.50, 1,927,928.13 and 565,627.20

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Solution

The fourth proportional to 1,285,285.50, 1,927,928.13 and 565,627.20 is: 848,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,285.50 : 1,927,928.13 = 565,627.20 : x
  2. Step 2: Convert to fraction form
    1,285,285.50/1,927,928.13 = 565,627.20/x
  3. Step 3: Cross multiply
    1,285,285.50x = 1,927,928.13 × 565,627.20
  4. Step 4: Simplify right side
    1,285,285.50x = 1,090,488,587,145.00
  5. Step 5: Solve for x
    x = 1,090,488,587,145.00/1,285,285.50
  6. Step 6: Final answer
    x = 848,440.75

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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.