Home / 860,872.10-1,187,997.89-473,711.13

Finding the Fourth Proportional to 860,872.10, 1,187,997.89 and 473,711.13

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Solution

The fourth proportional to 860,872.10, 1,187,997.89 and 473,711.13 is: 653,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,872.10 : 1,187,997.89 = 473,711.13 : x
  2. Step 2: Convert to fraction form
    860,872.10/1,187,997.89 = 473,711.13/x
  3. Step 3: Cross multiply
    860,872.10x = 1,187,997.89 × 473,711.13
  4. Step 4: Simplify right side
    860,872.10x = 562,767,820,540.96
  5. Step 5: Solve for x
    x = 562,767,820,540.96/860,872.10
  6. Step 6: Final answer
    x = 653,718.27

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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.