Home / 828,019.46-1,142,673.16-460,501.74

Finding the Fourth Proportional to 828,019.46, 1,142,673.16 and 460,501.74

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Solution

The fourth proportional to 828,019.46, 1,142,673.16 and 460,501.74 is: 635,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,019.46 : 1,142,673.16 = 460,501.74 : x
  2. Step 2: Convert to fraction form
    828,019.46/1,142,673.16 = 460,501.74/x
  3. Step 3: Cross multiply
    828,019.46x = 1,142,673.16 × 460,501.74
  4. Step 4: Simplify right side
    828,019.46x = 526,202,978,431.30
  5. Step 5: Solve for x
    x = 526,202,978,431.30/828,019.46
  6. Step 6: Final answer
    x = 635,495.91

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Double scale
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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.