Home / 472,280.01-651,746.82-257,415.76

Finding the Fourth Proportional to 472,280.01, 651,746.82 and 257,415.76

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Solution

The fourth proportional to 472,280.01, 651,746.82 and 257,415.76 is: 355,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,280.01 : 651,746.82 = 257,415.76 : x
  2. Step 2: Convert to fraction form
    472,280.01/651,746.82 = 257,415.76/x
  3. Step 3: Cross multiply
    472,280.01x = 651,746.82 × 257,415.76
  4. Step 4: Simplify right side
    472,280.01x = 167,769,902,997.88
  5. Step 5: Solve for x
    x = 167,769,902,997.88/472,280.01
  6. Step 6: Final answer
    x = 355,233.97

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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.