Home / 960,113.90-1,324,938.12-530,390

Finding the Fourth Proportional to 960,113.90, 1,324,938.12 and 530,390

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Solution

The fourth proportional to 960,113.90, 1,324,938.12 and 530,390 is: 731,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,113.90 : 1,324,938.12 = 530,390 : x
  2. Step 2: Convert to fraction form
    960,113.90/1,324,938.12 = 530,390/x
  3. Step 3: Cross multiply
    960,113.90x = 1,324,938.12 × 530,390
  4. Step 4: Simplify right side
    960,113.90x = 702,733,929,466.80
  5. Step 5: Solve for x
    x = 702,733,929,466.80/960,113.90
  6. Step 6: Final answer
    x = 731,927.67

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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.