Home / 1,308,840.67-1,963,261.57-410,352.45

Finding the Fourth Proportional to 1,308,840.67, 1,963,261.57 and 410,352.45

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Solution

The fourth proportional to 1,308,840.67, 1,963,261.57 and 410,352.45 is: 615,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,840.67 : 1,963,261.57 = 410,352.45 : x
  2. Step 2: Convert to fraction form
    1,308,840.67/1,963,261.57 = 410,352.45/x
  3. Step 3: Cross multiply
    1,308,840.67x = 1,963,261.57 × 410,352.45
  4. Step 4: Simplify right side
    1,308,840.67x = 805,629,185,424.04
  5. Step 5: Solve for x
    x = 805,629,185,424.04/1,308,840.67
  6. Step 6: Final answer
    x = 615,528.85

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Double scale
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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.