Home / 1,006,183.55-1,388,406.95-680,205.66

Finding the Fourth Proportional to 1,006,183.55, 1,388,406.95 and 680,205.66

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Solution

The fourth proportional to 1,006,183.55, 1,388,406.95 and 680,205.66 is: 938,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,183.55 : 1,388,406.95 = 680,205.66 : x
  2. Step 2: Convert to fraction form
    1,006,183.55/1,388,406.95 = 680,205.66/x
  3. Step 3: Cross multiply
    1,006,183.55x = 1,388,406.95 × 680,205.66
  4. Step 4: Simplify right side
    1,006,183.55x = 944,402,262,372.31
  5. Step 5: Solve for x
    x = 944,402,262,372.31/1,006,183.55
  6. Step 6: Final answer
    x = 938,598.40

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Double scale
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1.5x scale

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.