Home / 860,040.20-1,186,785.27-506,365.20

Finding the Fourth Proportional to 860,040.20, 1,186,785.27 and 506,365.20

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Solution

The fourth proportional to 860,040.20, 1,186,785.27 and 506,365.20 is: 698,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,040.20 : 1,186,785.27 = 506,365.20 : x
  2. Step 2: Convert to fraction form
    860,040.20/1,186,785.27 = 506,365.20/x
  3. Step 3: Cross multiply
    860,040.20x = 1,186,785.27 × 506,365.20
  4. Step 4: Simplify right side
    860,040.20x = 600,946,760,600.60
  5. Step 5: Solve for x
    x = 600,946,760,600.60/860,040.20
  6. Step 6: Final answer
    x = 698,742.64

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Double scale
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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.