Home / 644,131.20-970,054.40-586,671.36

Finding the Fourth Proportional to 644,131.20, 970,054.40 and 586,671.36

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Solution

The fourth proportional to 644,131.20, 970,054.40 and 586,671.36 is: 883,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,131.20 : 970,054.40 = 586,671.36 : x
  2. Step 2: Convert to fraction form
    644,131.20/970,054.40 = 586,671.36/x
  3. Step 3: Cross multiply
    644,131.20x = 970,054.40 × 586,671.36
  4. Step 4: Simplify right side
    644,131.20x = 569,103,134,121.98
  5. Step 5: Solve for x
    x = 569,103,134,121.98/644,131.20
  6. Step 6: Final answer
    x = 883,520.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.