Home / 947,454.66-1,307,432.34-517,738.32

Finding the Fourth Proportional to 947,454.66, 1,307,432.34 and 517,738.32

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Solution

The fourth proportional to 947,454.66, 1,307,432.34 and 517,738.32 is: 714,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,454.66 : 1,307,432.34 = 517,738.32 : x
  2. Step 2: Convert to fraction form
    947,454.66/1,307,432.34 = 517,738.32/x
  3. Step 3: Cross multiply
    947,454.66x = 1,307,432.34 × 517,738.32
  4. Step 4: Simplify right side
    947,454.66x = 676,907,823,225.27
  5. Step 5: Solve for x
    x = 676,907,823,225.27/947,454.66
  6. Step 6: Final answer
    x = 714,448.78

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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.