Home / 913,907.28-1,261,238.66-506,054.26

Finding the Fourth Proportional to 913,907.28, 1,261,238.66 and 506,054.26

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Solution

The fourth proportional to 913,907.28, 1,261,238.66 and 506,054.26 is: 698,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,907.28 : 1,261,238.66 = 506,054.26 : x
  2. Step 2: Convert to fraction form
    913,907.28/1,261,238.66 = 506,054.26/x
  3. Step 3: Cross multiply
    913,907.28x = 1,261,238.66 × 506,054.26
  4. Step 4: Simplify right side
    913,907.28x = 638,255,196,769.69
  5. Step 5: Solve for x
    x = 638,255,196,769.69/913,907.28
  6. Step 6: Final answer
    x = 698,380.69

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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.