Home / 715,513.83-1,071,499.26-525,523.67

Finding the Fourth Proportional to 715,513.83, 1,071,499.26 and 525,523.67

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Solution

The fourth proportional to 715,513.83, 1,071,499.26 and 525,523.67 is: 786,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,513.83 : 1,071,499.26 = 525,523.67 : x
  2. Step 2: Convert to fraction form
    715,513.83/1,071,499.26 = 525,523.67/x
  3. Step 3: Cross multiply
    715,513.83x = 1,071,499.26 × 525,523.67
  4. Step 4: Simplify right side
    715,513.83x = 563,098,223,517.48
  5. Step 5: Solve for x
    x = 563,098,223,517.48/715,513.83
  6. Step 6: Final answer
    x = 786,984.40

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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.