Home / 1,543,874.46-2,130,664.95-971,405.34

Finding the Fourth Proportional to 1,543,874.46, 2,130,664.95 and 971,405.34

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Solution

The fourth proportional to 1,543,874.46, 2,130,664.95 and 971,405.34 is: 1,340,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,874.46 : 2,130,664.95 = 971,405.34 : x
  2. Step 2: Convert to fraction form
    1,543,874.46/2,130,664.95 = 971,405.34/x
  3. Step 3: Cross multiply
    1,543,874.46x = 2,130,664.95 × 971,405.34
  4. Step 4: Simplify right side
    1,543,874.46x = 2,069,739,310,180.83
  5. Step 5: Solve for x
    x = 2,069,739,310,180.83/1,543,874.46
  6. Step 6: Final answer
    x = 1,340,613.74

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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.