Home / 1,205,035.92-1,805,854.77-665,535.42

Finding the Fourth Proportional to 1,205,035.92, 1,805,854.77 and 665,535.42

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Solution

The fourth proportional to 1,205,035.92, 1,805,854.77 and 665,535.42 is: 997,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,035.92 : 1,805,854.77 = 665,535.42 : x
  2. Step 2: Convert to fraction form
    1,205,035.92/1,805,854.77 = 665,535.42/x
  3. Step 3: Cross multiply
    1,205,035.92x = 1,805,854.77 × 665,535.42
  4. Step 4: Simplify right side
    1,205,035.92x = 1,201,860,312,810.95
  5. Step 5: Solve for x
    x = 1,201,860,312,810.95/1,205,035.92
  6. Step 6: Final answer
    x = 997,364.72

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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.