Home / 774,600.39-1,068,925.41-430,435.26

Finding the Fourth Proportional to 774,600.39, 1,068,925.41 and 430,435.26

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Solution

The fourth proportional to 774,600.39, 1,068,925.41 and 430,435.26 is: 593,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,600.39 : 1,068,925.41 = 430,435.26 : x
  2. Step 2: Convert to fraction form
    774,600.39/1,068,925.41 = 430,435.26/x
  3. Step 3: Cross multiply
    774,600.39x = 1,068,925.41 × 430,435.26
  4. Step 4: Simplify right side
    774,600.39x = 460,103,186,773.96
  5. Step 5: Solve for x
    x = 460,103,186,773.96/774,600.39
  6. Step 6: Final answer
    x = 593,987.81

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Double scale
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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.