Home / 1,326,189.27-1,989,649.53-528,031.32

Finding the Fourth Proportional to 1,326,189.27, 1,989,649.53 and 528,031.32

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Solution

The fourth proportional to 1,326,189.27, 1,989,649.53 and 528,031.32 is: 792,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,189.27 : 1,989,649.53 = 528,031.32 : x
  2. Step 2: Convert to fraction form
    1,326,189.27/1,989,649.53 = 528,031.32/x
  3. Step 3: Cross multiply
    1,326,189.27x = 1,989,649.53 × 528,031.32
  4. Step 4: Simplify right side
    1,326,189.27x = 1,050,597,267,663.28
  5. Step 5: Solve for x
    x = 1,050,597,267,663.28/1,326,189.27
  6. Step 6: Final answer
    x = 792,192.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.