Home / 1,102,057.12-1,653,085.68-437,209.12

Finding the Fourth Proportional to 1,102,057.12, 1,653,085.68 and 437,209.12

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Solution

The fourth proportional to 1,102,057.12, 1,653,085.68 and 437,209.12 is: 655,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,057.12 : 1,653,085.68 = 437,209.12 : x
  2. Step 2: Convert to fraction form
    1,102,057.12/1,653,085.68 = 437,209.12/x
  3. Step 3: Cross multiply
    1,102,057.12x = 1,653,085.68 × 437,209.12
  4. Step 4: Simplify right side
    1,102,057.12x = 722,744,135,437.40
  5. Step 5: Solve for x
    x = 722,744,135,437.40/1,102,057.12
  6. Step 6: Final answer
    x = 655,813.68

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Double scale
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Similar ratio
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1.5x scale

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.