Home / 821,750.40-1,233,547.20-635,587.20

Finding the Fourth Proportional to 821,750.40, 1,233,547.20 and 635,587.20

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Solution

The fourth proportional to 821,750.40, 1,233,547.20 and 635,587.20 is: 954,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,750.40 : 1,233,547.20 = 635,587.20 : x
  2. Step 2: Convert to fraction form
    821,750.40/1,233,547.20 = 635,587.20/x
  3. Step 3: Cross multiply
    821,750.40x = 1,233,547.20 × 635,587.20
  4. Step 4: Simplify right side
    821,750.40x = 784,026,810,915.84
  5. Step 5: Solve for x
    x = 784,026,810,915.84/821,750.40
  6. Step 6: Final answer
    x = 954,093.62

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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.