Home / 975,384.10-1,463,076.15-415,512.10

Finding the Fourth Proportional to 975,384.10, 1,463,076.15 and 415,512.10

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Solution

The fourth proportional to 975,384.10, 1,463,076.15 and 415,512.10 is: 623,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,384.10 : 1,463,076.15 = 415,512.10 : x
  2. Step 2: Convert to fraction form
    975,384.10/1,463,076.15 = 415,512.10/x
  3. Step 3: Cross multiply
    975,384.10x = 1,463,076.15 × 415,512.10
  4. Step 4: Simplify right side
    975,384.10x = 607,925,843,546.42
  5. Step 5: Solve for x
    x = 607,925,843,546.42/975,384.10
  6. Step 6: Final answer
    x = 623,268.15

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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.