Home / 1,006,531.84-1,509,797.76-258,578.56

Finding the Fourth Proportional to 1,006,531.84, 1,509,797.76 and 258,578.56

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Solution

The fourth proportional to 1,006,531.84, 1,509,797.76 and 258,578.56 is: 387,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,531.84 : 1,509,797.76 = 258,578.56 : x
  2. Step 2: Convert to fraction form
    1,006,531.84/1,509,797.76 = 258,578.56/x
  3. Step 3: Cross multiply
    1,006,531.84x = 1,509,797.76 × 258,578.56
  4. Step 4: Simplify right side
    1,006,531.84x = 390,401,330,672.03
  5. Step 5: Solve for x
    x = 390,401,330,672.03/1,006,531.84
  6. Step 6: Final answer
    x = 387,867.84

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Double scale
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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.