Home / 756,356.64-1,043,772.18-416,824.89

Finding the Fourth Proportional to 756,356.64, 1,043,772.18 and 416,824.89

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Solution

The fourth proportional to 756,356.64, 1,043,772.18 and 416,824.89 is: 575,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,356.64 : 1,043,772.18 = 416,824.89 : x
  2. Step 2: Convert to fraction form
    756,356.64/1,043,772.18 = 416,824.89/x
  3. Step 3: Cross multiply
    756,356.64x = 1,043,772.18 × 416,824.89
  4. Step 4: Simplify right side
    756,356.64x = 435,070,218,636.32
  5. Step 5: Solve for x
    x = 435,070,218,636.32/756,356.64
  6. Step 6: Final answer
    x = 575,218.35

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Double scale
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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.