Home / 861,068.12-1,291,603.26-411,683.36

Finding the Fourth Proportional to 861,068.12, 1,291,603.26 and 411,683.36

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Solution

The fourth proportional to 861,068.12, 1,291,603.26 and 411,683.36 is: 617,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,068.12 : 1,291,603.26 = 411,683.36 : x
  2. Step 2: Convert to fraction form
    861,068.12/1,291,603.26 = 411,683.36/x
  3. Step 3: Cross multiply
    861,068.12x = 1,291,603.26 × 411,683.36
  4. Step 4: Simplify right side
    861,068.12x = 531,731,569,863.75
  5. Step 5: Solve for x
    x = 531,731,569,863.75/861,068.12
  6. Step 6: Final answer
    x = 617,525.56

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1.5x scale

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.