Home / 738,416.82-1,019,355.39-432,450.66

Finding the Fourth Proportional to 738,416.82, 1,019,355.39 and 432,450.66

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Solution

The fourth proportional to 738,416.82, 1,019,355.39 and 432,450.66 is: 596,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,416.82 : 1,019,355.39 = 432,450.66 : x
  2. Step 2: Convert to fraction form
    738,416.82/1,019,355.39 = 432,450.66/x
  3. Step 3: Cross multiply
    738,416.82x = 1,019,355.39 × 432,450.66
  4. Step 4: Simplify right side
    738,416.82x = 440,820,911,180.06
  5. Step 5: Solve for x
    x = 440,820,911,180.06/738,416.82
  6. Step 6: Final answer
    x = 596,981.13

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Double scale
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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.