Home / 1,728,970.18-2,385,881.58-965,072.86

Finding the Fourth Proportional to 1,728,970.18, 2,385,881.58 and 965,072.86

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Solution

The fourth proportional to 1,728,970.18, 2,385,881.58 and 965,072.86 is: 1,331,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,970.18 : 2,385,881.58 = 965,072.86 : x
  2. Step 2: Convert to fraction form
    1,728,970.18/2,385,881.58 = 965,072.86/x
  3. Step 3: Cross multiply
    1,728,970.18x = 2,385,881.58 × 965,072.86
  4. Step 4: Simplify right side
    1,728,970.18x = 2,302,549,560,031.92
  5. Step 5: Solve for x
    x = 2,302,549,560,031.92/1,728,970.18
  6. Step 6: Final answer
    x = 1,331,746.25

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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.