Home / 963,785.55-1,330,008.10-528,199.54

Finding the Fourth Proportional to 963,785.55, 1,330,008.10 and 528,199.54

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Solution

The fourth proportional to 963,785.55, 1,330,008.10 and 528,199.54 is: 728,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,785.55 : 1,330,008.10 = 528,199.54 : x
  2. Step 2: Convert to fraction form
    963,785.55/1,330,008.10 = 528,199.54/x
  3. Step 3: Cross multiply
    963,785.55x = 1,330,008.10 × 528,199.54
  4. Step 4: Simplify right side
    963,785.55x = 702,509,666,616.27
  5. Step 5: Solve for x
    x = 702,509,666,616.27/963,785.55
  6. Step 6: Final answer
    x = 728,906.62

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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.