Home / 914,056.80-1,371,365.28-409,042.80

Finding the Fourth Proportional to 914,056.80, 1,371,365.28 and 409,042.80

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Solution

The fourth proportional to 914,056.80, 1,371,365.28 and 409,042.80 is: 613,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,056.80 : 1,371,365.28 = 409,042.80 : x
  2. Step 2: Convert to fraction form
    914,056.80/1,371,365.28 = 409,042.80/x
  3. Step 3: Cross multiply
    914,056.80x = 1,371,365.28 × 409,042.80
  4. Step 4: Simplify right side
    914,056.80x = 560,947,093,953.98
  5. Step 5: Solve for x
    x = 560,947,093,953.98/914,056.80
  6. Step 6: Final answer
    x = 613,689.54

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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.