Home / 1,214,056.18-1,820,656.76-404,220.72

Finding the Fourth Proportional to 1,214,056.18, 1,820,656.76 and 404,220.72

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Solution

The fourth proportional to 1,214,056.18, 1,820,656.76 and 404,220.72 is: 606,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,056.18 : 1,820,656.76 = 404,220.72 : x
  2. Step 2: Convert to fraction form
    1,214,056.18/1,820,656.76 = 404,220.72/x
  3. Step 3: Cross multiply
    1,214,056.18x = 1,820,656.76 × 404,220.72
  4. Step 4: Simplify right side
    1,214,056.18x = 735,947,184,378.96
  5. Step 5: Solve for x
    x = 735,947,184,378.96/1,214,056.18
  6. Step 6: Final answer
    x = 606,188.74

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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.