Home / 936,317.29-1,292,154.53-528,433.38

Finding the Fourth Proportional to 936,317.29, 1,292,154.53 and 528,433.38

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Solution

The fourth proportional to 936,317.29, 1,292,154.53 and 528,433.38 is: 729,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,317.29 : 1,292,154.53 = 528,433.38 : x
  2. Step 2: Convert to fraction form
    936,317.29/1,292,154.53 = 528,433.38/x
  3. Step 3: Cross multiply
    936,317.29x = 1,292,154.53 × 528,433.38
  4. Step 4: Simplify right side
    936,317.29x = 682,817,588,289.13
  5. Step 5: Solve for x
    x = 682,817,588,289.13/936,317.29
  6. Step 6: Final answer
    x = 729,258.76

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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.