Home / 828,181.16-1,142,883.14-465,606.68

Finding the Fourth Proportional to 828,181.16, 1,142,883.14 and 465,606.68

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Solution

The fourth proportional to 828,181.16, 1,142,883.14 and 465,606.68 is: 642,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,181.16 : 1,142,883.14 = 465,606.68 : x
  2. Step 2: Convert to fraction form
    828,181.16/1,142,883.14 = 465,606.68/x
  3. Step 3: Cross multiply
    828,181.16x = 1,142,883.14 × 465,606.68
  4. Step 4: Simplify right side
    828,181.16x = 532,134,024,443.38
  5. Step 5: Solve for x
    x = 532,134,024,443.38/828,181.16
  6. Step 6: Final answer
    x = 642,533.36

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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.