Home / 693,920.16-1,039,217.04-356,072.16

Finding the Fourth Proportional to 693,920.16, 1,039,217.04 and 356,072.16

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Solution

The fourth proportional to 693,920.16, 1,039,217.04 and 356,072.16 is: 533,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,920.16 : 1,039,217.04 = 356,072.16 : x
  2. Step 2: Convert to fraction form
    693,920.16/1,039,217.04 = 356,072.16/x
  3. Step 3: Cross multiply
    693,920.16x = 1,039,217.04 × 356,072.16
  4. Step 4: Simplify right side
    693,920.16x = 370,036,256,141.61
  5. Step 5: Solve for x
    x = 370,036,256,141.61/693,920.16
  6. Step 6: Final answer
    x = 533,254.80

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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.