Home / 774,046.69-1,068,341.58-447,373.58

Finding the Fourth Proportional to 774,046.69, 1,068,341.58 and 447,373.58

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Solution

The fourth proportional to 774,046.69, 1,068,341.58 and 447,373.58 is: 617,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,046.69 : 1,068,341.58 = 447,373.58 : x
  2. Step 2: Convert to fraction form
    774,046.69/1,068,341.58 = 447,373.58/x
  3. Step 3: Cross multiply
    774,046.69x = 1,068,341.58 × 447,373.58
  4. Step 4: Simplify right side
    774,046.69x = 477,947,791,965.75
  5. Step 5: Solve for x
    x = 477,947,791,965.75/774,046.69
  6. Step 6: Final answer
    x = 617,466.36

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.