Home / 714,987.69-1,076,346.89-651,354.76

Finding the Fourth Proportional to 714,987.69, 1,076,346.89 and 651,354.76

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Solution

The fourth proportional to 714,987.69, 1,076,346.89 and 651,354.76 is: 980,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,987.69 : 1,076,346.89 = 651,354.76 : x
  2. Step 2: Convert to fraction form
    714,987.69/1,076,346.89 = 651,354.76/x
  3. Step 3: Cross multiply
    714,987.69x = 1,076,346.89 × 651,354.76
  4. Step 4: Simplify right side
    714,987.69x = 701,083,670,212.70
  5. Step 5: Solve for x
    x = 701,083,670,212.70/714,987.69
  6. Step 6: Final answer
    x = 980,553.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.