Home / 927,706.56-1,388,459.22-528,240.12

Finding the Fourth Proportional to 927,706.56, 1,388,459.22 and 528,240.12

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Solution

The fourth proportional to 927,706.56, 1,388,459.22 and 528,240.12 is: 790,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,706.56 : 1,388,459.22 = 528,240.12 : x
  2. Step 2: Convert to fraction form
    927,706.56/1,388,459.22 = 528,240.12/x
  3. Step 3: Cross multiply
    927,706.56x = 1,388,459.22 × 528,240.12
  4. Step 4: Simplify right side
    927,706.56x = 733,439,864,987.91
  5. Step 5: Solve for x
    x = 733,439,864,987.91/927,706.56
  6. Step 6: Final answer
    x = 790,594.67

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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.