Home / 953,409.69-1,430,114.55-354,521.61

Finding the Fourth Proportional to 953,409.69, 1,430,114.55 and 354,521.61

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Solution

The fourth proportional to 953,409.69, 1,430,114.55 and 354,521.61 is: 531,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,409.69 : 1,430,114.55 = 354,521.61 : x
  2. Step 2: Convert to fraction form
    953,409.69/1,430,114.55 = 354,521.61/x
  3. Step 3: Cross multiply
    953,409.69x = 1,430,114.55 × 354,521.61
  4. Step 4: Simplify right side
    953,409.69x = 507,006,512,750.43
  5. Step 5: Solve for x
    x = 507,006,512,750.43/953,409.69
  6. Step 6: Final answer
    x = 531,782.42

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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.