Home / 847,878.57-1,170,059.13-465,897.15

Finding the Fourth Proportional to 847,878.57, 1,170,059.13 and 465,897.15

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Solution

The fourth proportional to 847,878.57, 1,170,059.13 and 465,897.15 is: 642,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,878.57 : 1,170,059.13 = 465,897.15 : x
  2. Step 2: Convert to fraction form
    847,878.57/1,170,059.13 = 465,897.15/x
  3. Step 3: Cross multiply
    847,878.57x = 1,170,059.13 × 465,897.15
  4. Step 4: Simplify right side
    847,878.57x = 545,127,213,998.48
  5. Step 5: Solve for x
    x = 545,127,213,998.48/847,878.57
  6. Step 6: Final answer
    x = 642,930.76

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1.5x scale

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.