Home / 1,116,155.40-1,674,233.10-406,206.60

Finding the Fourth Proportional to 1,116,155.40, 1,674,233.10 and 406,206.60

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Solution

The fourth proportional to 1,116,155.40, 1,674,233.10 and 406,206.60 is: 609,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,155.40 : 1,674,233.10 = 406,206.60 : x
  2. Step 2: Convert to fraction form
    1,116,155.40/1,674,233.10 = 406,206.60/x
  3. Step 3: Cross multiply
    1,116,155.40x = 1,674,233.10 × 406,206.60
  4. Step 4: Simplify right side
    1,116,155.40x = 680,084,535,158.46
  5. Step 5: Solve for x
    x = 680,084,535,158.46/1,116,155.40
  6. Step 6: Final answer
    x = 609,309.90

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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.