Home / 847,881.14-1,170,085.19-465,907.86

Finding the Fourth Proportional to 847,881.14, 1,170,085.19 and 465,907.86

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Solution

The fourth proportional to 847,881.14, 1,170,085.19 and 465,907.86 is: 642,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,881.14 : 1,170,085.19 = 465,907.86 : x
  2. Step 2: Convert to fraction form
    847,881.14/1,170,085.19 = 465,907.86/x
  3. Step 3: Cross multiply
    847,881.14x = 1,170,085.19 × 465,907.86
  4. Step 4: Simplify right side
    847,881.14x = 545,151,884,561.05
  5. Step 5: Solve for x
    x = 545,151,884,561.05/847,881.14
  6. Step 6: Final answer
    x = 642,957.91

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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.