Home / 860,581.60-1,290,864.14-523,718

Finding the Fourth Proportional to 860,581.60, 1,290,864.14 and 523,718

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Solution

The fourth proportional to 860,581.60, 1,290,864.14 and 523,718 is: 785,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,581.60 : 1,290,864.14 = 523,718 : x
  2. Step 2: Convert to fraction form
    860,581.60/1,290,864.14 = 523,718/x
  3. Step 3: Cross multiply
    860,581.60x = 1,290,864.14 × 523,718
  4. Step 4: Simplify right side
    860,581.60x = 676,048,785,672.52
  5. Step 5: Solve for x
    x = 676,048,785,672.52/860,581.60
  6. Step 6: Final answer
    x = 785,571.97

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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.