Home / 1,047,502.30-1,570,485.45-416,103.90

Finding the Fourth Proportional to 1,047,502.30, 1,570,485.45 and 416,103.90

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Solution

The fourth proportional to 1,047,502.30, 1,570,485.45 and 416,103.90 is: 623,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,502.30 : 1,570,485.45 = 416,103.90 : x
  2. Step 2: Convert to fraction form
    1,047,502.30/1,570,485.45 = 416,103.90/x
  3. Step 3: Cross multiply
    1,047,502.30x = 1,570,485.45 × 416,103.90
  4. Step 4: Simplify right side
    1,047,502.30x = 653,485,120,638.26
  5. Step 5: Solve for x
    x = 653,485,120,638.26/1,047,502.30
  6. Step 6: Final answer
    x = 623,850.77

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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.