Home / 727,569.80-1,091,354.70-475,627.40

Finding the Fourth Proportional to 727,569.80, 1,091,354.70 and 475,627.40

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Solution

The fourth proportional to 727,569.80, 1,091,354.70 and 475,627.40 is: 713,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,569.80 : 1,091,354.70 = 475,627.40 : x
  2. Step 2: Convert to fraction form
    727,569.80/1,091,354.70 = 475,627.40/x
  3. Step 3: Cross multiply
    727,569.80x = 1,091,354.70 × 475,627.40
  4. Step 4: Simplify right side
    727,569.80x = 519,078,198,438.78
  5. Step 5: Solve for x
    x = 519,078,198,438.78/727,569.80
  6. Step 6: Final answer
    x = 713,441.10

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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.