Home / 983,275.50-1,356,945.56-553,571.01

Finding the Fourth Proportional to 983,275.50, 1,356,945.56 and 553,571.01

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Solution

The fourth proportional to 983,275.50, 1,356,945.56 and 553,571.01 is: 763,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,275.50 : 1,356,945.56 = 553,571.01 : x
  2. Step 2: Convert to fraction form
    983,275.50/1,356,945.56 = 553,571.01/x
  3. Step 3: Cross multiply
    983,275.50x = 1,356,945.56 × 553,571.01
  4. Step 4: Simplify right side
    983,275.50x = 751,165,726,586.09
  5. Step 5: Solve for x
    x = 751,165,726,586.09/983,275.50
  6. Step 6: Final answer
    x = 763,942.28

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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.