Home / 971,911.20-1,457,348.40-410,311.20

Finding the Fourth Proportional to 971,911.20, 1,457,348.40 and 410,311.20

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Solution

The fourth proportional to 971,911.20, 1,457,348.40 and 410,311.20 is: 615,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,911.20 : 1,457,348.40 = 410,311.20 : x
  2. Step 2: Convert to fraction form
    971,911.20/1,457,348.40 = 410,311.20/x
  3. Step 3: Cross multiply
    971,911.20x = 1,457,348.40 × 410,311.20
  4. Step 4: Simplify right side
    971,911.20x = 597,966,370,822.08
  5. Step 5: Solve for x
    x = 597,966,370,822.08/971,911.20
  6. Step 6: Final answer
    x = 615,247.95

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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.