Home / 1,233,340.77-1,702,022.88-689,506.77

Finding the Fourth Proportional to 1,233,340.77, 1,702,022.88 and 689,506.77

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Solution

The fourth proportional to 1,233,340.77, 1,702,022.88 and 689,506.77 is: 951,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,340.77 : 1,702,022.88 = 689,506.77 : x
  2. Step 2: Convert to fraction form
    1,233,340.77/1,702,022.88 = 689,506.77/x
  3. Step 3: Cross multiply
    1,233,340.77x = 1,702,022.88 × 689,506.77
  4. Step 4: Simplify right side
    1,233,340.77x = 1,173,556,298,454.90
  5. Step 5: Solve for x
    x = 1,173,556,298,454.90/1,233,340.77
  6. Step 6: Final answer
    x = 951,526.40

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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.