Home / 1,230,013.89-1,845,152.06-520,113.69

Finding the Fourth Proportional to 1,230,013.89, 1,845,152.06 and 520,113.69

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Solution

The fourth proportional to 1,230,013.89, 1,845,152.06 and 520,113.69 is: 780,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,013.89 : 1,845,152.06 = 520,113.69 : x
  2. Step 2: Convert to fraction form
    1,230,013.89/1,845,152.06 = 520,113.69/x
  3. Step 3: Cross multiply
    1,230,013.89x = 1,845,152.06 × 520,113.69
  4. Step 4: Simplify right side
    1,230,013.89x = 959,688,843,937.13
  5. Step 5: Solve for x
    x = 959,688,843,937.13/1,230,013.89
  6. Step 6: Final answer
    x = 780,226.02

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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.