Home / 1,458,003.22-2,012,045.70-813,423.55

Finding the Fourth Proportional to 1,458,003.22, 2,012,045.70 and 813,423.55

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Solution

The fourth proportional to 1,458,003.22, 2,012,045.70 and 813,423.55 is: 1,122,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,003.22 : 2,012,045.70 = 813,423.55 : x
  2. Step 2: Convert to fraction form
    1,458,003.22/2,012,045.70 = 813,423.55/x
  3. Step 3: Cross multiply
    1,458,003.22x = 2,012,045.70 × 813,423.55
  4. Step 4: Simplify right side
    1,458,003.22x = 1,636,645,356,056.24
  5. Step 5: Solve for x
    x = 1,636,645,356,056.24/1,458,003.22
  6. Step 6: Final answer
    x = 1,122,525.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.