Home / 877,258.92-1,210,592.34-495,321.24

Finding the Fourth Proportional to 877,258.92, 1,210,592.34 and 495,321.24

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Solution

The fourth proportional to 877,258.92, 1,210,592.34 and 495,321.24 is: 683,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,258.92 : 1,210,592.34 = 495,321.24 : x
  2. Step 2: Convert to fraction form
    877,258.92/1,210,592.34 = 495,321.24/x
  3. Step 3: Cross multiply
    877,258.92x = 1,210,592.34 × 495,321.24
  4. Step 4: Simplify right side
    877,258.92x = 599,632,098,983.30
  5. Step 5: Solve for x
    x = 599,632,098,983.30/877,258.92
  6. Step 6: Final answer
    x = 683,529.21

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Double scale
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Similar ratio
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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.