Home / 953,429.86-1,315,697.82-523,684.36

Finding the Fourth Proportional to 953,429.86, 1,315,697.82 and 523,684.36

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Solution

The fourth proportional to 953,429.86, 1,315,697.82 and 523,684.36 is: 722,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,429.86 : 1,315,697.82 = 523,684.36 : x
  2. Step 2: Convert to fraction form
    953,429.86/1,315,697.82 = 523,684.36/x
  3. Step 3: Cross multiply
    953,429.86x = 1,315,697.82 × 523,684.36
  4. Step 4: Simplify right side
    953,429.86x = 689,010,370,820.10
  5. Step 5: Solve for x
    x = 689,010,370,820.10/953,429.86
  6. Step 6: Final answer
    x = 722,664.98

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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.