Home / 947,255.88-1,307,144.88-517,444.77

Finding the Fourth Proportional to 947,255.88, 1,307,144.88 and 517,444.77

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Solution

The fourth proportional to 947,255.88, 1,307,144.88 and 517,444.77 is: 714,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,255.88 : 1,307,144.88 = 517,444.77 : x
  2. Step 2: Convert to fraction form
    947,255.88/1,307,144.88 = 517,444.77/x
  3. Step 3: Cross multiply
    947,255.88x = 1,307,144.88 × 517,444.77
  4. Step 4: Simplify right side
    947,255.88x = 676,375,281,788.28
  5. Step 5: Solve for x
    x = 676,375,281,788.28/947,255.88
  6. Step 6: Final answer
    x = 714,036.51

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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.