Home / 963,905.52-1,330,160.55-528,313.39

Finding the Fourth Proportional to 963,905.52, 1,330,160.55 and 528,313.39

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Solution

The fourth proportional to 963,905.52, 1,330,160.55 and 528,313.39 is: 729,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,905.52 : 1,330,160.55 = 528,313.39 : x
  2. Step 2: Convert to fraction form
    963,905.52/1,330,160.55 = 528,313.39/x
  3. Step 3: Cross multiply
    963,905.52x = 1,330,160.55 × 528,313.39
  4. Step 4: Simplify right side
    963,905.52x = 702,741,623,595.31
  5. Step 5: Solve for x
    x = 702,741,623,595.31/963,905.52
  6. Step 6: Final answer
    x = 729,056.54

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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.