Home / 1,245,335.60-1,868,233.80-403,914.80

Finding the Fourth Proportional to 1,245,335.60, 1,868,233.80 and 403,914.80

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Solution

The fourth proportional to 1,245,335.60, 1,868,233.80 and 403,914.80 is: 605,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,335.60 : 1,868,233.80 = 403,914.80 : x
  2. Step 2: Convert to fraction form
    1,245,335.60/1,868,233.80 = 403,914.80/x
  3. Step 3: Cross multiply
    1,245,335.60x = 1,868,233.80 × 403,914.80
  4. Step 4: Simplify right side
    1,245,335.60x = 754,607,281,680.24
  5. Step 5: Solve for x
    x = 754,607,281,680.24/1,245,335.60
  6. Step 6: Final answer
    x = 605,946.93

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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.