Home / 860,115.01-1,186,825.85-497,572.60

Finding the Fourth Proportional to 860,115.01, 1,186,825.85 and 497,572.60

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Solution

The fourth proportional to 860,115.01, 1,186,825.85 and 497,572.60 is: 686,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,115.01 : 1,186,825.85 = 497,572.60 : x
  2. Step 2: Convert to fraction form
    860,115.01/1,186,825.85 = 497,572.60/x
  3. Step 3: Cross multiply
    860,115.01x = 1,186,825.85 × 497,572.60
  4. Step 4: Simplify right side
    860,115.01x = 590,532,015,509.72
  5. Step 5: Solve for x
    x = 590,532,015,509.72/860,115.01
  6. Step 6: Final answer
    x = 686,573.32

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Double scale
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Similar ratio
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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.