Home / 936,254.92-1,292,031.12-528,442.60

Finding the Fourth Proportional to 936,254.92, 1,292,031.12 and 528,442.60

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Solution

The fourth proportional to 936,254.92, 1,292,031.12 and 528,442.60 is: 729,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,254.92 : 1,292,031.12 = 528,442.60 : x
  2. Step 2: Convert to fraction form
    936,254.92/1,292,031.12 = 528,442.60/x
  3. Step 3: Cross multiply
    936,254.92x = 1,292,031.12 × 528,442.60
  4. Step 4: Simplify right side
    936,254.92x = 682,764,284,333.71
  5. Step 5: Solve for x
    x = 682,764,284,333.71/936,254.92
  6. Step 6: Final answer
    x = 729,250.41

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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.