Home / 851,967.77-1,175,696.57-469,994.45

Finding the Fourth Proportional to 851,967.77, 1,175,696.57 and 469,994.45

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Solution

The fourth proportional to 851,967.77, 1,175,696.57 and 469,994.45 is: 648,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,967.77 : 1,175,696.57 = 469,994.45 : x
  2. Step 2: Convert to fraction form
    851,967.77/1,175,696.57 = 469,994.45/x
  3. Step 3: Cross multiply
    851,967.77x = 1,175,696.57 × 469,994.45
  4. Step 4: Simplify right side
    851,967.77x = 552,570,854,555.58
  5. Step 5: Solve for x
    x = 552,570,854,555.58/851,967.77
  6. Step 6: Final answer
    x = 648,581.88

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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.