Home / 781,362.32-1,171,244.25-528,669.49

Finding the Fourth Proportional to 781,362.32, 1,171,244.25 and 528,669.49

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Solution

The fourth proportional to 781,362.32, 1,171,244.25 and 528,669.49 is: 792,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,362.32 : 1,171,244.25 = 528,669.49 : x
  2. Step 2: Convert to fraction form
    781,362.32/1,171,244.25 = 528,669.49/x
  3. Step 3: Cross multiply
    781,362.32x = 1,171,244.25 × 528,669.49
  4. Step 4: Simplify right side
    781,362.32x = 619,201,097,669.59
  5. Step 5: Solve for x
    x = 619,201,097,669.59/781,362.32
  6. Step 6: Final answer
    x = 792,463.47

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Double scale
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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.