Home / 907,801.83-1,252,770.10-545,231.86

Finding the Fourth Proportional to 907,801.83, 1,252,770.10 and 545,231.86

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Solution

The fourth proportional to 907,801.83, 1,252,770.10 and 545,231.86 is: 752,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,801.83 : 1,252,770.10 = 545,231.86 : x
  2. Step 2: Convert to fraction form
    907,801.83/1,252,770.10 = 545,231.86/x
  3. Step 3: Cross multiply
    907,801.83x = 1,252,770.10 × 545,231.86
  4. Step 4: Simplify right side
    907,801.83x = 683,050,167,280.38
  5. Step 5: Solve for x
    x = 683,050,167,280.38/907,801.83
  6. Step 6: Final answer
    x = 752,422.11

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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.