Home / 834,256.18-1,251,384.25-384,844.09

Finding the Fourth Proportional to 834,256.18, 1,251,384.25 and 384,844.09

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Solution

The fourth proportional to 834,256.18, 1,251,384.25 and 384,844.09 is: 577,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,256.18 : 1,251,384.25 = 384,844.09 : x
  2. Step 2: Convert to fraction form
    834,256.18/1,251,384.25 = 384,844.09/x
  3. Step 3: Cross multiply
    834,256.18x = 1,251,384.25 × 384,844.09
  4. Step 4: Simplify right side
    834,256.18x = 481,587,832,931.58
  5. Step 5: Solve for x
    x = 481,587,832,931.58/834,256.18
  6. Step 6: Final answer
    x = 577,266.13

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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.