Home / 1,353,369.58-1,867,578.50-772,569.66

Finding the Fourth Proportional to 1,353,369.58, 1,867,578.50 and 772,569.66

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Solution

The fourth proportional to 1,353,369.58, 1,867,578.50 and 772,569.66 is: 1,066,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,369.58 : 1,867,578.50 = 772,569.66 : x
  2. Step 2: Convert to fraction form
    1,353,369.58/1,867,578.50 = 772,569.66/x
  3. Step 3: Cross multiply
    1,353,369.58x = 1,867,578.50 × 772,569.66
  4. Step 4: Simplify right side
    1,353,369.58x = 1,442,834,495,703.15
  5. Step 5: Solve for x
    x = 1,442,834,495,703.15/1,353,369.58
  6. Step 6: Final answer
    x = 1,066,105.31

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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.