Home / 913,257.35-1,260,428.84-525,998.33

Finding the Fourth Proportional to 913,257.35, 1,260,428.84 and 525,998.33

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Solution

The fourth proportional to 913,257.35, 1,260,428.84 and 525,998.33 is: 725,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,257.35 : 1,260,428.84 = 525,998.33 : x
  2. Step 2: Convert to fraction form
    913,257.35/1,260,428.84 = 525,998.33/x
  3. Step 3: Cross multiply
    913,257.35x = 1,260,428.84 × 525,998.33
  4. Step 4: Simplify right side
    913,257.35x = 662,983,455,991.70
  5. Step 5: Solve for x
    x = 662,983,455,991.70/913,257.35
  6. Step 6: Final answer
    x = 725,954.69

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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.