Home / 774,066.30-1,068,211.44-434,534.28

Finding the Fourth Proportional to 774,066.30, 1,068,211.44 and 434,534.28

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Solution

The fourth proportional to 774,066.30, 1,068,211.44 and 434,534.28 is: 599,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,066.30 : 1,068,211.44 = 434,534.28 : x
  2. Step 2: Convert to fraction form
    774,066.30/1,068,211.44 = 434,534.28/x
  3. Step 3: Cross multiply
    774,066.30x = 1,068,211.44 × 434,534.28
  4. Step 4: Simplify right side
    774,066.30x = 464,174,488,968.16
  5. Step 5: Solve for x
    x = 464,174,488,968.16/774,066.30
  6. Step 6: Final answer
    x = 599,657.28

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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.