Home / 1,185,835.41-1,778,746.73-287,276.69

Finding the Fourth Proportional to 1,185,835.41, 1,778,746.73 and 287,276.69

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Solution

The fourth proportional to 1,185,835.41, 1,778,746.73 and 287,276.69 is: 430,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,835.41 : 1,778,746.73 = 287,276.69 : x
  2. Step 2: Convert to fraction form
    1,185,835.41/1,778,746.73 = 287,276.69/x
  3. Step 3: Cross multiply
    1,185,835.41x = 1,778,746.73 × 287,276.69
  4. Step 4: Simplify right side
    1,185,835.41x = 510,992,471,506.34
  5. Step 5: Solve for x
    x = 510,992,471,506.34/1,185,835.41
  6. Step 6: Final answer
    x = 430,913.49

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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.