Home / 985,141.95-1,477,712.92-453,110.46

Finding the Fourth Proportional to 985,141.95, 1,477,712.92 and 453,110.46

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Solution

The fourth proportional to 985,141.95, 1,477,712.92 and 453,110.46 is: 679,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,141.95 : 1,477,712.92 = 453,110.46 : x
  2. Step 2: Convert to fraction form
    985,141.95/1,477,712.92 = 453,110.46/x
  3. Step 3: Cross multiply
    985,141.95x = 1,477,712.92 × 453,110.46
  4. Step 4: Simplify right side
    985,141.95x = 669,567,175,104.53
  5. Step 5: Solve for x
    x = 669,567,175,104.53/985,141.95
  6. Step 6: Final answer
    x = 679,665.68

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.