Home / 2,116,334.40-3,174,501.60-620,426.40

Finding the Fourth Proportional to 2,116,334.40, 3,174,501.60 and 620,426.40

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Solution

The fourth proportional to 2,116,334.40, 3,174,501.60 and 620,426.40 is: 930,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,334.40 : 3,174,501.60 = 620,426.40 : x
  2. Step 2: Convert to fraction form
    2,116,334.40/3,174,501.60 = 620,426.40/x
  3. Step 3: Cross multiply
    2,116,334.40x = 3,174,501.60 × 620,426.40
  4. Step 4: Simplify right side
    2,116,334.40x = 1,969,544,599,482.24
  5. Step 5: Solve for x
    x = 1,969,544,599,482.24/2,116,334.40
  6. Step 6: Final answer
    x = 930,639.60

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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.