Home / 834,089.54-1,151,012.70-452,108.12

Finding the Fourth Proportional to 834,089.54, 1,151,012.70 and 452,108.12

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Solution

The fourth proportional to 834,089.54, 1,151,012.70 and 452,108.12 is: 623,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,089.54 : 1,151,012.70 = 452,108.12 : x
  2. Step 2: Convert to fraction form
    834,089.54/1,151,012.70 = 452,108.12/x
  3. Step 3: Cross multiply
    834,089.54x = 1,151,012.70 × 452,108.12
  4. Step 4: Simplify right side
    834,089.54x = 520,382,182,138.06
  5. Step 5: Solve for x
    x = 520,382,182,138.06/834,089.54
  6. Step 6: Final answer
    x = 623,892.47

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.