Home / 1,688,117.95-2,329,230.36-999,447.85

Finding the Fourth Proportional to 1,688,117.95, 2,329,230.36 and 999,447.85

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Solution

The fourth proportional to 1,688,117.95, 2,329,230.36 and 999,447.85 is: 1,379,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,117.95 : 2,329,230.36 = 999,447.85 : x
  2. Step 2: Convert to fraction form
    1,688,117.95/2,329,230.36 = 999,447.85/x
  3. Step 3: Cross multiply
    1,688,117.95x = 2,329,230.36 × 999,447.85
  4. Step 4: Simplify right side
    1,688,117.95x = 2,327,944,275,456.73
  5. Step 5: Solve for x
    x = 2,327,944,275,456.73/1,688,117.95
  6. Step 6: Final answer
    x = 1,379,017.55

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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.