Home / 1,047,115.20-1,573,005.60-1,004,606.40

Finding the Fourth Proportional to 1,047,115.20, 1,573,005.60 and 1,004,606.40

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Solution

The fourth proportional to 1,047,115.20, 1,573,005.60 and 1,004,606.40 is: 1,509,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,115.20 : 1,573,005.60 = 1,004,606.40 : x
  2. Step 2: Convert to fraction form
    1,047,115.20/1,573,005.60 = 1,004,606.40/x
  3. Step 3: Cross multiply
    1,047,115.20x = 1,573,005.60 × 1,004,606.40
  4. Step 4: Simplify right side
    1,047,115.20x = 1,580,251,492,995.84
  5. Step 5: Solve for x
    x = 1,580,251,492,995.84/1,047,115.20
  6. Step 6: Final answer
    x = 1,509,147.70

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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.