Home / 860,055.66-1,186,806.20-506,380.28

Finding the Fourth Proportional to 860,055.66, 1,186,806.20 and 506,380.28

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Solution

The fourth proportional to 860,055.66, 1,186,806.20 and 506,380.28 is: 698,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,055.66 : 1,186,806.20 = 506,380.28 : x
  2. Step 2: Convert to fraction form
    860,055.66/1,186,806.20 = 506,380.28/x
  3. Step 3: Cross multiply
    860,055.66x = 1,186,806.20 × 506,380.28
  4. Step 4: Simplify right side
    860,055.66x = 600,975,247,395.80
  5. Step 5: Solve for x
    x = 600,975,247,395.80/860,055.66
  6. Step 6: Final answer
    x = 698,763.20

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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.