Home / 727,551.05-1,085,636.55-651,900.56

Finding the Fourth Proportional to 727,551.05, 1,085,636.55 and 651,900.56

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Solution

The fourth proportional to 727,551.05, 1,085,636.55 and 651,900.56 is: 972,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,551.05 : 1,085,636.55 = 651,900.56 : x
  2. Step 2: Convert to fraction form
    727,551.05/1,085,636.55 = 651,900.56/x
  3. Step 3: Cross multiply
    727,551.05x = 1,085,636.55 × 651,900.56
  4. Step 4: Simplify right side
    727,551.05x = 707,727,071,917.91
  5. Step 5: Solve for x
    x = 707,727,071,917.91/727,551.05
  6. Step 6: Final answer
    x = 972,752.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.