Home / 936,197.32-1,291,985.28-528,275.24

Finding the Fourth Proportional to 936,197.32, 1,291,985.28 and 528,275.24

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Solution

The fourth proportional to 936,197.32, 1,291,985.28 and 528,275.24 is: 729,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,197.32 : 1,291,985.28 = 528,275.24 : x
  2. Step 2: Convert to fraction form
    936,197.32/1,291,985.28 = 528,275.24/x
  3. Step 3: Cross multiply
    936,197.32x = 1,291,985.28 × 528,275.24
  4. Step 4: Simplify right side
    936,197.32x = 682,523,833,868.47
  5. Step 5: Solve for x
    x = 682,523,833,868.47/936,197.32
  6. Step 6: Final answer
    x = 729,038.44

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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.