Home / 869,655.62-1,200,137.04-525,443.66

Finding the Fourth Proportional to 869,655.62, 1,200,137.04 and 525,443.66

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Solution

The fourth proportional to 869,655.62, 1,200,137.04 and 525,443.66 is: 725,119.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,655.62 : 1,200,137.04 = 525,443.66 : x
  2. Step 2: Convert to fraction form
    869,655.62/1,200,137.04 = 525,443.66/x
  3. Step 3: Cross multiply
    869,655.62x = 1,200,137.04 × 525,443.66
  4. Step 4: Simplify right side
    869,655.62x = 630,604,398,799.17
  5. Step 5: Solve for x
    x = 630,604,398,799.17/869,655.62
  6. Step 6: Final answer
    x = 725,119.67

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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.