Home / 913,907.14-1,261,231.25-506,008.96

Finding the Fourth Proportional to 913,907.14, 1,261,231.25 and 506,008.96

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Solution

The fourth proportional to 913,907.14, 1,261,231.25 and 506,008.96 is: 698,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,907.14 : 1,261,231.25 = 506,008.96 : x
  2. Step 2: Convert to fraction form
    913,907.14/1,261,231.25 = 506,008.96/x
  3. Step 3: Cross multiply
    913,907.14x = 1,261,231.25 × 506,008.96
  4. Step 4: Simplify right side
    913,907.14x = 638,194,313,132
  5. Step 5: Solve for x
    x = 638,194,313,132/913,907.14
  6. Step 6: Final answer
    x = 698,314.18

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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.