Home / 897,043.45-1,345,565.19-615,707.77

Finding the Fourth Proportional to 897,043.45, 1,345,565.19 and 615,707.77

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Solution

The fourth proportional to 897,043.45, 1,345,565.19 and 615,707.77 is: 923,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,043.45 : 1,345,565.19 = 615,707.77 : x
  2. Step 2: Convert to fraction form
    897,043.45/1,345,565.19 = 615,707.77/x
  3. Step 3: Cross multiply
    897,043.45x = 1,345,565.19 × 615,707.77
  4. Step 4: Simplify right side
    897,043.45x = 828,474,942,524.53
  5. Step 5: Solve for x
    x = 828,474,942,524.53/897,043.45
  6. Step 6: Final answer
    x = 923,561.67

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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.