Home / 913,896.98-1,261,317.12-569,788.76

Finding the Fourth Proportional to 913,896.98, 1,261,317.12 and 569,788.76

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Solution

The fourth proportional to 913,896.98, 1,261,317.12 and 569,788.76 is: 786,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,896.98 : 1,261,317.12 = 569,788.76 : x
  2. Step 2: Convert to fraction form
    913,896.98/1,261,317.12 = 569,788.76/x
  3. Step 3: Cross multiply
    913,896.98x = 1,261,317.12 × 569,788.76
  4. Step 4: Simplify right side
    913,896.98x = 718,684,317,771.57
  5. Step 5: Solve for x
    x = 718,684,317,771.57/913,896.98
  6. Step 6: Final answer
    x = 786,395.33

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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.