Home / 914,007.12-1,261,314.42-506,100.20

Finding the Fourth Proportional to 914,007.12, 1,261,314.42 and 506,100.20

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Solution

The fourth proportional to 914,007.12, 1,261,314.42 and 506,100.20 is: 698,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,007.12 : 1,261,314.42 = 506,100.20 : x
  2. Step 2: Convert to fraction form
    914,007.12/1,261,314.42 = 506,100.20/x
  3. Step 3: Cross multiply
    914,007.12x = 1,261,314.42 × 506,100.20
  4. Step 4: Simplify right side
    914,007.12x = 638,351,473,918.31
  5. Step 5: Solve for x
    x = 638,351,473,918.31/914,007.12
  6. Step 6: Final answer
    x = 698,409.74

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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.