Home / 811,460.88-1,119,438.72-525,073.44

Finding the Fourth Proportional to 811,460.88, 1,119,438.72 and 525,073.44

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Solution

The fourth proportional to 811,460.88, 1,119,438.72 and 525,073.44 is: 724,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,460.88 : 1,119,438.72 = 525,073.44 : x
  2. Step 2: Convert to fraction form
    811,460.88/1,119,438.72 = 525,073.44/x
  3. Step 3: Cross multiply
    811,460.88x = 1,119,438.72 × 525,073.44
  4. Step 4: Simplify right side
    811,460.88x = 587,787,539,579.60
  5. Step 5: Solve for x
    x = 587,787,539,579.60/811,460.88
  6. Step 6: Final answer
    x = 724,357.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.