Home / 947,047.80-1,306,953.99-517,334.97

Finding the Fourth Proportional to 947,047.80, 1,306,953.99 and 517,334.97

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Solution

The fourth proportional to 947,047.80, 1,306,953.99 and 517,334.97 is: 713,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,047.80 : 1,306,953.99 = 517,334.97 : x
  2. Step 2: Convert to fraction form
    947,047.80/1,306,953.99 = 517,334.97/x
  3. Step 3: Cross multiply
    947,047.80x = 1,306,953.99 × 517,334.97
  4. Step 4: Simplify right side
    947,047.80x = 676,133,003,208.03
  5. Step 5: Solve for x
    x = 676,133,003,208.03/947,047.80
  6. Step 6: Final answer
    x = 713,937.57

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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.