Home / 866,110.16-1,195,184.09-478,903.03

Finding the Fourth Proportional to 866,110.16, 1,195,184.09 and 478,903.03

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Solution

The fourth proportional to 866,110.16, 1,195,184.09 and 478,903.03 is: 660,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,110.16 : 1,195,184.09 = 478,903.03 : x
  2. Step 2: Convert to fraction form
    866,110.16/1,195,184.09 = 478,903.03/x
  3. Step 3: Cross multiply
    866,110.16x = 1,195,184.09 × 478,903.03
  4. Step 4: Simplify right side
    866,110.16x = 572,377,280,318.09
  5. Step 5: Solve for x
    x = 572,377,280,318.09/866,110.16
  6. Step 6: Final answer
    x = 660,859.67

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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.