Home / 910,199.94-1,256,106.07-496,759.29

Finding the Fourth Proportional to 910,199.94, 1,256,106.07 and 496,759.29

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Solution

The fourth proportional to 910,199.94, 1,256,106.07 and 496,759.29 is: 685,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,199.94 : 1,256,106.07 = 496,759.29 : x
  2. Step 2: Convert to fraction form
    910,199.94/1,256,106.07 = 496,759.29/x
  3. Step 3: Cross multiply
    910,199.94x = 1,256,106.07 × 496,759.29
  4. Step 4: Simplify right side
    910,199.94x = 623,982,359,497.89
  5. Step 5: Solve for x
    x = 623,982,359,497.89/910,199.94
  6. Step 6: Final answer
    x = 685,544.28

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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.