Home / 926,327.40-1,389,491.10-768,863.40

Finding the Fourth Proportional to 926,327.40, 1,389,491.10 and 768,863.40

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Solution

The fourth proportional to 926,327.40, 1,389,491.10 and 768,863.40 is: 1,153,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,327.40 : 1,389,491.10 = 768,863.40 : x
  2. Step 2: Convert to fraction form
    926,327.40/1,389,491.10 = 768,863.40/x
  3. Step 3: Cross multiply
    926,327.40x = 1,389,491.10 × 768,863.40
  4. Step 4: Simplify right side
    926,327.40x = 1,068,328,851,415.74
  5. Step 5: Solve for x
    x = 1,068,328,851,415.74/926,327.40
  6. Step 6: Final answer
    x = 1,153,295.10

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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.