Home / 860,005.46-1,186,777.64-554,094.74

Finding the Fourth Proportional to 860,005.46, 1,186,777.64 and 554,094.74

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Solution

The fourth proportional to 860,005.46, 1,186,777.64 and 554,094.74 is: 764,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,005.46 : 1,186,777.64 = 554,094.74 : x
  2. Step 2: Convert to fraction form
    860,005.46/1,186,777.64 = 554,094.74/x
  3. Step 3: Cross multiply
    860,005.46x = 1,186,777.64 × 554,094.74
  4. Step 4: Simplify right side
    860,005.46x = 657,587,247,873.61
  5. Step 5: Solve for x
    x = 657,587,247,873.61/860,005.46
  6. Step 6: Final answer
    x = 764,631.48

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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.