Home / 749,110.47-1,123,698.48-216,685.32

Finding the Fourth Proportional to 749,110.47, 1,123,698.48 and 216,685.32

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Solution

The fourth proportional to 749,110.47, 1,123,698.48 and 216,685.32 is: 325,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,110.47 : 1,123,698.48 = 216,685.32 : x
  2. Step 2: Convert to fraction form
    749,110.47/1,123,698.48 = 216,685.32/x
  3. Step 3: Cross multiply
    749,110.47x = 1,123,698.48 × 216,685.32
  4. Step 4: Simplify right side
    749,110.47x = 243,488,964,722.31
  5. Step 5: Solve for x
    x = 243,488,964,722.31/749,110.47
  6. Step 6: Final answer
    x = 325,037.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.