Home / 971,247.60-1,456,093.80-409,820.40

Finding the Fourth Proportional to 971,247.60, 1,456,093.80 and 409,820.40

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Solution

The fourth proportional to 971,247.60, 1,456,093.80 and 409,820.40 is: 614,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,247.60 : 1,456,093.80 = 409,820.40 : x
  2. Step 2: Convert to fraction form
    971,247.60/1,456,093.80 = 409,820.40/x
  3. Step 3: Cross multiply
    971,247.60x = 1,456,093.80 × 409,820.40
  4. Step 4: Simplify right side
    971,247.60x = 596,736,943,553.52
  5. Step 5: Solve for x
    x = 596,736,943,553.52/971,247.60
  6. Step 6: Final answer
    x = 614,402.49

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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.