Home / 947,133.56-1,307,063.58-517,441.52

Finding the Fourth Proportional to 947,133.56, 1,307,063.58 and 517,441.52

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Solution

The fourth proportional to 947,133.56, 1,307,063.58 and 517,441.52 is: 714,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,133.56 : 1,307,063.58 = 517,441.52 : x
  2. Step 2: Convert to fraction form
    947,133.56/1,307,063.58 = 517,441.52/x
  3. Step 3: Cross multiply
    947,133.56x = 1,307,063.58 × 517,441.52
  4. Step 4: Simplify right side
    947,133.56x = 676,328,965,571.84
  5. Step 5: Solve for x
    x = 676,328,965,571.84/947,133.56
  6. Step 6: Final answer
    x = 714,079.82

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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.