Home / 1,435,079.63-1,980,549.93-1,071,873.61

Finding the Fourth Proportional to 1,435,079.63, 1,980,549.93 and 1,071,873.61

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Solution

The fourth proportional to 1,435,079.63, 1,980,549.93 and 1,071,873.61 is: 1,479,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,079.63 : 1,980,549.93 = 1,071,873.61 : x
  2. Step 2: Convert to fraction form
    1,435,079.63/1,980,549.93 = 1,071,873.61/x
  3. Step 3: Cross multiply
    1,435,079.63x = 1,980,549.93 × 1,071,873.61
  4. Step 4: Simplify right side
    1,435,079.63x = 2,122,899,202,322.50
  5. Step 5: Solve for x
    x = 2,122,899,202,322.50/1,435,079.63
  6. Step 6: Final answer
    x = 1,479,290.18

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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.