Home / 771,210.21-1,156,869.17-238,661.13

Finding the Fourth Proportional to 771,210.21, 1,156,869.17 and 238,661.13

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Solution

The fourth proportional to 771,210.21, 1,156,869.17 and 238,661.13 is: 358,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,210.21 : 1,156,869.17 = 238,661.13 : x
  2. Step 2: Convert to fraction form
    771,210.21/1,156,869.17 = 238,661.13/x
  3. Step 3: Cross multiply
    771,210.21x = 1,156,869.17 × 238,661.13
  4. Step 4: Simplify right side
    771,210.21x = 276,099,702,181.06
  5. Step 5: Solve for x
    x = 276,099,702,181.06/771,210.21
  6. Step 6: Final answer
    x = 358,008.36

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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.