Home / 914,110.55-1,261,440.96-506,229.38

Finding the Fourth Proportional to 914,110.55, 1,261,440.96 and 506,229.38

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Solution

The fourth proportional to 914,110.55, 1,261,440.96 and 506,229.38 is: 698,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,110.55 : 1,261,440.96 = 506,229.38 : x
  2. Step 2: Convert to fraction form
    914,110.55/1,261,440.96 = 506,229.38/x
  3. Step 3: Cross multiply
    914,110.55x = 1,261,440.96 × 506,229.38
  4. Step 4: Simplify right side
    914,110.55x = 638,578,476,342.65
  5. Step 5: Solve for x
    x = 638,578,476,342.65/914,110.55
  6. Step 6: Final answer
    x = 698,579.04

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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.