Home / 666,050.92-919,259.04-495,104.20

Finding the Fourth Proportional to 666,050.92, 919,259.04 and 495,104.20

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Solution

The fourth proportional to 666,050.92, 919,259.04 and 495,104.20 is: 683,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,050.92 : 919,259.04 = 495,104.20 : x
  2. Step 2: Convert to fraction form
    666,050.92/919,259.04 = 495,104.20/x
  3. Step 3: Cross multiply
    666,050.92x = 919,259.04 × 495,104.20
  4. Step 4: Simplify right side
    666,050.92x = 455,129,011,591.97
  5. Step 5: Solve for x
    x = 455,129,011,591.97/666,050.92
  6. Step 6: Final answer
    x = 683,324.65

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Double scale
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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.