Home / 1,205,498.10-1,806,989.56-406,504.92

Finding the Fourth Proportional to 1,205,498.10, 1,806,989.56 and 406,504.92

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Solution

The fourth proportional to 1,205,498.10, 1,806,989.56 and 406,504.92 is: 609,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,498.10 : 1,806,989.56 = 406,504.92 : x
  2. Step 2: Convert to fraction form
    1,205,498.10/1,806,989.56 = 406,504.92/x
  3. Step 3: Cross multiply
    1,205,498.10x = 1,806,989.56 × 406,504.92
  4. Step 4: Simplify right side
    1,205,498.10x = 734,550,144,496.11
  5. Step 5: Solve for x
    x = 734,550,144,496.11/1,205,498.10
  6. Step 6: Final answer
    x = 609,333.31

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Double scale
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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.