Home / 897,048.23-1,345,572.35-615,712.55

Finding the Fourth Proportional to 897,048.23, 1,345,572.35 and 615,712.55

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Solution

The fourth proportional to 897,048.23, 1,345,572.35 and 615,712.55 is: 923,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,048.23 : 1,345,572.35 = 615,712.55 : x
  2. Step 2: Convert to fraction form
    897,048.23/1,345,572.35 = 615,712.55/x
  3. Step 3: Cross multiply
    897,048.23x = 1,345,572.35 × 615,712.55
  4. Step 4: Simplify right side
    897,048.23x = 828,485,779,749.43
  5. Step 5: Solve for x
    x = 828,485,779,749.43/897,048.23
  6. Step 6: Final answer
    x = 923,568.83

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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.