Home / 819,567.37-1,131,716.74-514,168.75

Finding the Fourth Proportional to 819,567.37, 1,131,716.74 and 514,168.75

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Solution

The fourth proportional to 819,567.37, 1,131,716.74 and 514,168.75 is: 710,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,567.37 : 1,131,716.74 = 514,168.75 : x
  2. Step 2: Convert to fraction form
    819,567.37/1,131,716.74 = 514,168.75/x
  3. Step 3: Cross multiply
    819,567.37x = 1,131,716.74 × 514,168.75
  4. Step 4: Simplify right side
    819,567.37x = 581,893,381,559.88
  5. Step 5: Solve for x
    x = 581,893,381,559.88/819,567.37
  6. Step 6: Final answer
    x = 710,000.67

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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.