Home / 1,245,302.60-1,867,953.90-403,854.35

Finding the Fourth Proportional to 1,245,302.60, 1,867,953.90 and 403,854.35

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Solution

The fourth proportional to 1,245,302.60, 1,867,953.90 and 403,854.35 is: 605,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,302.60 : 1,867,953.90 = 403,854.35 : x
  2. Step 2: Convert to fraction form
    1,245,302.60/1,867,953.90 = 403,854.35/x
  3. Step 3: Cross multiply
    1,245,302.60x = 1,867,953.90 × 403,854.35
  4. Step 4: Simplify right side
    1,245,302.60x = 754,381,308,114.47
  5. Step 5: Solve for x
    x = 754,381,308,114.47/1,245,302.60
  6. Step 6: Final answer
    x = 605,781.53

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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.