Home / 776,372.76-1,071,392.22-436,841.04

Finding the Fourth Proportional to 776,372.76, 1,071,392.22 and 436,841.04

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Solution

The fourth proportional to 776,372.76, 1,071,392.22 and 436,841.04 is: 602,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,372.76 : 1,071,392.22 = 436,841.04 : x
  2. Step 2: Convert to fraction form
    776,372.76/1,071,392.22 = 436,841.04/x
  3. Step 3: Cross multiply
    776,372.76x = 1,071,392.22 × 436,841.04
  4. Step 4: Simplify right side
    776,372.76x = 468,028,091,632.71
  5. Step 5: Solve for x
    x = 468,028,091,632.71/776,372.76
  6. Step 6: Final answer
    x = 602,839.40

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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.