Home / 936,416.20-1,292,258.82-528,535.30

Finding the Fourth Proportional to 936,416.20, 1,292,258.82 and 528,535.30

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Solution

The fourth proportional to 936,416.20, 1,292,258.82 and 528,535.30 is: 729,381.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,416.20 : 1,292,258.82 = 528,535.30 : x
  2. Step 2: Convert to fraction form
    936,416.20/1,292,258.82 = 528,535.30/x
  3. Step 3: Cross multiply
    936,416.20x = 1,292,258.82 × 528,535.30
  4. Step 4: Simplify right side
    936,416.20x = 683,004,403,106.35
  5. Step 5: Solve for x
    x = 683,004,403,106.35/936,416.20
  6. Step 6: Final answer
    x = 729,381.23

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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.