Home / 971,280.72-1,456,571.16-410,358.96

Finding the Fourth Proportional to 971,280.72, 1,456,571.16 and 410,358.96

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Solution

The fourth proportional to 971,280.72, 1,456,571.16 and 410,358.96 is: 615,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,280.72 : 1,456,571.16 = 410,358.96 : x
  2. Step 2: Convert to fraction form
    971,280.72/1,456,571.16 = 410,358.96/x
  3. Step 3: Cross multiply
    971,280.72x = 1,456,571.16 × 410,358.96
  4. Step 4: Simplify right side
    971,280.72x = 597,717,026,383.59
  5. Step 5: Solve for x
    x = 597,717,026,383.59/971,280.72
  6. Step 6: Final answer
    x = 615,390.60

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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.