Home / 854,981.40-1,282,169.70-293,885.40

Finding the Fourth Proportional to 854,981.40, 1,282,169.70 and 293,885.40

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Solution

The fourth proportional to 854,981.40, 1,282,169.70 and 293,885.40 is: 440,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,981.40 : 1,282,169.70 = 293,885.40 : x
  2. Step 2: Convert to fraction form
    854,981.40/1,282,169.70 = 293,885.40/x
  3. Step 3: Cross multiply
    854,981.40x = 1,282,169.70 × 293,885.40
  4. Step 4: Simplify right side
    854,981.40x = 376,810,955,152.38
  5. Step 5: Solve for x
    x = 376,810,955,152.38/854,981.40
  6. Step 6: Final answer
    x = 440,724.16

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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.