Home / 936,193.05-1,291,979.52-528,271.11

Finding the Fourth Proportional to 936,193.05, 1,291,979.52 and 528,271.11

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Solution

The fourth proportional to 936,193.05, 1,291,979.52 and 528,271.11 is: 729,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,193.05 : 1,291,979.52 = 528,271.11 : x
  2. Step 2: Convert to fraction form
    936,193.05/1,291,979.52 = 528,271.11/x
  3. Step 3: Cross multiply
    936,193.05x = 1,291,979.52 × 528,271.11
  4. Step 4: Simplify right side
    936,193.05x = 682,515,455,127.67
  5. Step 5: Solve for x
    x = 682,515,455,127.67/936,193.05
  6. Step 6: Final answer
    x = 729,032.82

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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.